From d5e6226c829db118d7af0f9a6f8933abe2a90df5 Mon Sep 17 00:00:00 2001
From: Emmanuelle Vargas-Gonzalez <emmanuelle@mitre.org>
Date: Fri, 19 Feb 2021 23:27:41 -0500
Subject: [PATCH] update hyperlinks to STIX 2.1 CS 02

---
 stix2/v21/bundle.py      |  2 +-
 stix2/v21/common.py      | 16 ++++-----
 stix2/v21/observables.py | 72 ++++++++++++++++++++--------------------
 stix2/v21/sdo.py         | 38 ++++++++++-----------
 stix2/v21/sro.py         |  4 +--
 5 files changed, 66 insertions(+), 66 deletions(-)

diff --git a/stix2/v21/bundle.py b/stix2/v21/bundle.py
index 990dfc1..0d073ca 100644
--- a/stix2/v21/bundle.py
+++ b/stix2/v21/bundle.py
@@ -10,7 +10,7 @@ from .base import _STIXBase21
 
 class Bundle(_STIXBase21):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_nuwp4rox8c7r>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_gms872kuzdmg>`__.
     """
 
     _type = 'bundle'
diff --git a/stix2/v21/common.py b/stix2/v21/common.py
index df95911..12e70f2 100644
--- a/stix2/v21/common.py
+++ b/stix2/v21/common.py
@@ -18,7 +18,7 @@ from .base import _STIXBase21
 
 class ExternalReference(_STIXBase21):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_bajcvqteiard>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_72bcfr3t79jx>`__.
     """
 
     _properties = OrderedDict([
@@ -52,7 +52,7 @@ class ExternalReference(_STIXBase21):
 
 class KillChainPhase(_STIXBase21):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_i4tjv75ce50h>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_i4tjv75ce50h>`__.
     """
 
     _properties = OrderedDict([
@@ -63,7 +63,7 @@ class KillChainPhase(_STIXBase21):
 
 class GranularMarking(_STIXBase21):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_robezi5egfdr>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_robezi5egfdr>`__.
     """
 
     _properties = OrderedDict([
@@ -79,7 +79,7 @@ class GranularMarking(_STIXBase21):
 
 class LanguageContent(_STIXBase21):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_nfwr8z9ax2bi>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_z9r1cwtu8jja>`__.
     """
 
     _type = 'language-content'
@@ -107,7 +107,7 @@ class LanguageContent(_STIXBase21):
 
 class ExtensionDefinition(_STIXBase21):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <link here>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_32j232tfvtly>`__.
     """
 
     _type = 'extension-definition'
@@ -146,7 +146,7 @@ class ExtensionDefinition(_STIXBase21):
 
 class TLPMarking(_STIXBase21):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_yd3ar14ekwrs>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_yd3ar14ekwrs>`__.
     """
 
     _type = 'tlp'
@@ -157,7 +157,7 @@ class TLPMarking(_STIXBase21):
 
 class StatementMarking(_STIXBase21):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_3ru8r05saera>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_3ru8r05saera>`__.
     """
 
     _type = 'statement'
@@ -187,7 +187,7 @@ class MarkingProperty(Property):
 
 class MarkingDefinition(_STIXBase21, _MarkingsMixin):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_hr5vgqxjk7ns>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_k5fndj2c7c1k>`__.
     """
 
     _type = 'marking-definition'
diff --git a/stix2/v21/observables.py b/stix2/v21/observables.py
index a68e3d5..6fb218c 100644
--- a/stix2/v21/observables.py
+++ b/stix2/v21/observables.py
@@ -22,7 +22,7 @@ from .common import GranularMarking
 
 class Artifact(_Observable):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_rqwyxo6gp7cv>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_4jegwl6ojbes>`__.
     """
 
     _type = 'artifact'
@@ -51,7 +51,7 @@ class Artifact(_Observable):
 
 class AutonomousSystem(_Observable):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_bxebwa6l91fb>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_27gux0aol9e3>`__.
     """
 
     _type = 'autonomous-system'
@@ -72,7 +72,7 @@ class AutonomousSystem(_Observable):
 
 class Directory(_Observable):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_vhpkn06q7fvl>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_lyvpga5hlw52>`__.
     """
 
     _type = 'directory'
@@ -97,7 +97,7 @@ class Directory(_Observable):
 
 class DomainName(_Observable):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_i2zf5h7vnrd9>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_prhhksbxbg87>`__.
     """
 
     _type = 'domain-name'
@@ -117,7 +117,7 @@ class DomainName(_Observable):
 
 class EmailAddress(_Observable):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_am7srelb9c14>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_wmenahkvqmgj>`__.
     """
 
     _type = 'email-addr'
@@ -138,7 +138,7 @@ class EmailAddress(_Observable):
 
 class EmailMIMEComponent(_STIXBase21):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_kzv52qqc0xw1>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_qpo5x7d8mefq>`__.
     """
 
     _properties = OrderedDict([
@@ -155,7 +155,7 @@ class EmailMIMEComponent(_STIXBase21):
 
 class EmailMessage(_Observable):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_loz634bn09om>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_grboc7sq5514>`__.
     """
 
     _type = 'email-message'
@@ -195,7 +195,7 @@ class EmailMessage(_Observable):
 
 class ArchiveExt(_Extension):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_mm25z9wuw4tr>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_xi3g7dwaigs6>`__.
     """
 
     _type = 'archive-ext'
@@ -207,7 +207,7 @@ class ArchiveExt(_Extension):
 
 class AlternateDataStream(_STIXBase21):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_nbqgazg6fsma>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_8i2ts0xicqea>`__.
     """
 
     _properties = OrderedDict([
@@ -219,7 +219,7 @@ class AlternateDataStream(_STIXBase21):
 
 class NTFSExt(_Extension):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_tb77nk1g3y6f>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_o6cweepfrsci>`__.
     """
 
     _type = 'ntfs-ext'
@@ -231,7 +231,7 @@ class NTFSExt(_Extension):
 
 class PDFExt(_Extension):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_30hzxqrmkg8w>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_8xmpb2ghp9km>`__.
     """
 
     _type = 'pdf-ext'
@@ -246,7 +246,7 @@ class PDFExt(_Extension):
 
 class RasterImageExt(_Extension):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_20mnz0u5ppxr>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_u5z7i2ox8w4x>`__.
     """
 
     _type = 'raster-image-ext'
@@ -260,7 +260,7 @@ class RasterImageExt(_Extension):
 
 class WindowsPEOptionalHeaderType(_STIXBase21):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_wyp5qdc2wugy>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_29l09w731pzc>`__.
     """
 
     _properties = OrderedDict([
@@ -304,7 +304,7 @@ class WindowsPEOptionalHeaderType(_STIXBase21):
 
 class WindowsPESection(_STIXBase21):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_wiqw87xsov3t>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_ioapwyd8oimw>`__.
     """
 
     _properties = OrderedDict([
@@ -317,7 +317,7 @@ class WindowsPESection(_STIXBase21):
 
 class WindowsPEBinaryExt(_Extension):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_5f9bgdmj91h5>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_gg5zibddf9bs>`__.
     """
 
     _type = 'windows-pebinary-ext'
@@ -339,7 +339,7 @@ class WindowsPEBinaryExt(_Extension):
 
 class File(_Observable):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_vq03pryd7u32>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_99bl2dibcztv>`__.
     """
 
     _type = 'file'
@@ -373,7 +373,7 @@ class File(_Observable):
 
 class IPv4Address(_Observable):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_ta83c412bfsc>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_ki1ufj1ku8s0>`__.
     """
 
     _type = 'ipv4-addr'
@@ -394,7 +394,7 @@ class IPv4Address(_Observable):
 
 class IPv6Address(_Observable):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_f76hsv2pvwwq>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_oeggeryskriq>`__.
     """
 
     _type = 'ipv6-addr'
@@ -415,7 +415,7 @@ class IPv6Address(_Observable):
 
 class MACAddress(_Observable):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_6lhrrdef8852>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_f92nr9plf58y>`__.
     """
 
     _type = 'mac-addr'
@@ -434,7 +434,7 @@ class MACAddress(_Observable):
 
 class Mutex(_Observable):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_u65ia5eoc7cv>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_84hwlkdmev1w>`__.
     """
 
     _type = 'mutex'
@@ -453,7 +453,7 @@ class Mutex(_Observable):
 
 class HTTPRequestExt(_Extension):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_60k6dn28qicj>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_b0e376hgtml8>`__.
     """
 
     _type = 'http-request-ext'
@@ -470,7 +470,7 @@ class HTTPRequestExt(_Extension):
 class ICMPExt(_Extension):
     # TODO: Add link
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_3g6wds21zwzl>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_ozypx0lmkebv>`__.
     """
 
     _type = 'icmp-ext'
@@ -482,7 +482,7 @@ class ICMPExt(_Extension):
 
 class SocketExt(_Extension):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_f54f1hripxsg>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_8jamupj9ubdv>`__.
     """
 
     _type = 'socket-ext'
@@ -535,7 +535,7 @@ class SocketExt(_Extension):
 
 class TCPExt(_Extension):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_2z78x4m8ewcw>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_k2njqio7f142>`__.
     """
 
     _type = 'tcp-ext'
@@ -547,7 +547,7 @@ class TCPExt(_Extension):
 
 class NetworkTraffic(_Observable):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_e5nyr5squmsd>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_rgnc3w40xy>`__.
     """
 
     _type = 'network-traffic'
@@ -602,7 +602,7 @@ class NetworkTraffic(_Observable):
 
 class WindowsProcessExt(_Extension):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_4wfs4ve800kf>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_oyegq07gjf5t>`__.
     """
 
     _type = 'windows-process-ext'
@@ -628,7 +628,7 @@ class WindowsProcessExt(_Extension):
 
 class WindowsServiceExt(_Extension):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_s2rmoe7djlt>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_lbcvc2ahx1s0>`__.
     """
 
     _type = 'windows-service-ext'
@@ -677,7 +677,7 @@ class WindowsServiceExt(_Extension):
 
 class Process(_Observable):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_ur7snm473t1d>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_hpppnm86a1jm>`__.
     """
 
     _type = 'process'
@@ -721,7 +721,7 @@ class Process(_Observable):
 
 class Software(_Observable):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_jru33yeokrmh>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_7rkyhtkdthok>`__.
     """
 
     _type = 'software'
@@ -745,7 +745,7 @@ class Software(_Observable):
 
 class URL(_Observable):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_6bsklda6vc0c>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_ah3hict2dez0>`__.
     """
 
     _type = 'url'
@@ -764,7 +764,7 @@ class URL(_Observable):
 
 class UNIXAccountExt(_Extension):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_z25gmwyz67kl>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_hodiamlggpw5>`__.
     """
 
     _type = 'unix-account-ext'
@@ -778,7 +778,7 @@ class UNIXAccountExt(_Extension):
 
 class UserAccount(_Observable):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_hah33g4ntxnx>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_azo70vgj1vm2>`__.
     """
 
     _type = 'user-account'
@@ -810,7 +810,7 @@ class UserAccount(_Observable):
 
 class WindowsRegistryValueType(_STIXBase21):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_6jiqabgqp2hp>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_u7n4ndghs3qq>`__.
     """
 
     _type = 'windows-registry-value-type'
@@ -841,7 +841,7 @@ class WindowsRegistryValueType(_STIXBase21):
 
 class WindowsRegistryKey(_Observable):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_bdim4of4dl37>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_luvw8wjlfo3y>`__.
     """
 
     _type = 'windows-registry-key'
@@ -865,7 +865,7 @@ class WindowsRegistryKey(_Observable):
 
 class X509V3ExtensionsType(_STIXBase21):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_c1kt4dheb6vz>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_oudvonxzdlku>`__.
     """
 
     _type = 'x509-v3-extensions-type'
@@ -891,7 +891,7 @@ class X509V3ExtensionsType(_STIXBase21):
 
 class X509Certificate(_Observable):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_g3kniyun8ykv>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_8abcy1o5x9w1>`__.
     """
 
     _type = 'x509-certificate'
diff --git a/stix2/v21/sdo.py b/stix2/v21/sdo.py
index 527900b..1ca448a 100644
--- a/stix2/v21/sdo.py
+++ b/stix2/v21/sdo.py
@@ -25,7 +25,7 @@ from .common import ExternalReference, GranularMarking, KillChainPhase
 
 class AttackPattern(_DomainObject):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_4ohsa4pay4h4>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_axjijf603msy>`__.
     """
 
     _type = 'attack-pattern'
@@ -53,7 +53,7 @@ class AttackPattern(_DomainObject):
 
 class Campaign(_DomainObject):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_vvysvm8mt434>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_pcpvfz4ik6d6>`__.
     """
 
     _type = 'campaign'
@@ -93,7 +93,7 @@ class Campaign(_DomainObject):
 
 class CourseOfAction(_DomainObject):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_d5yf99f0a230>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_a925mpw39txn>`__.
     """
 
     _type = 'course-of-action'
@@ -119,7 +119,7 @@ class CourseOfAction(_DomainObject):
 
 class Grouping(_DomainObject):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_9e3uldaqqha2>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_t56pn7elv6u7>`__.
     """
 
     _type = 'grouping'
@@ -147,7 +147,7 @@ class Grouping(_DomainObject):
 
 class Identity(_DomainObject):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_ru8fmldl2p6w>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_wh296fiwpklp>`__.
     """
 
     _type = 'identity'
@@ -177,7 +177,7 @@ class Identity(_DomainObject):
 
 class Incident(_DomainObject):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <link here>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_sczfhw64pjxt>`__.
     """
 
     _type = 'incident'
@@ -204,7 +204,7 @@ class Incident(_DomainObject):
 
 class Indicator(_DomainObject):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_wfiae74706sw>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_muftrcpnf89v>`__.
     """
 
     _type = 'indicator'
@@ -264,7 +264,7 @@ class Indicator(_DomainObject):
 
 class Infrastructure(_DomainObject):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_l2alfbbcmfep>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_jo3k1o6lr9>`__.
     """
 
     _type = 'infrastructure'
@@ -305,7 +305,7 @@ class Infrastructure(_DomainObject):
 
 class IntrusionSet(_DomainObject):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_ticprjb32bc4>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_jo3k1o6lr9>`__.
     """
 
     _type = 'intrusion-set'
@@ -348,7 +348,7 @@ class IntrusionSet(_DomainObject):
 
 class Location(_DomainObject):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_sqez6sri9vtz>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_th8nitr8jb4k>`__.
     """
 
     _type = 'location'
@@ -456,7 +456,7 @@ class Location(_DomainObject):
 
 class Malware(_DomainObject):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_gc4ooz6oaz7y>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_s5l7katgbp09>`__.
     """
 
     _type = 'malware'
@@ -509,7 +509,7 @@ class Malware(_DomainObject):
 
 class MalwareAnalysis(_DomainObject):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_dw67pa20zss5>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_6hdrixb3ua4j>`__.
     """
 
     _type = 'malware-analysis'
@@ -554,7 +554,7 @@ class MalwareAnalysis(_DomainObject):
 
 class Note(_DomainObject):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_hr77jvcbs9jk>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_gudodcg1sbb9>`__.
     """
 
     _type = 'note'
@@ -582,7 +582,7 @@ class Note(_DomainObject):
 
 class ObservedData(_DomainObject):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_h1590esrzg5f>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_p49j1fwoxldc>`__.
     """
 
     _type = 'observed-data'
@@ -638,7 +638,7 @@ class ObservedData(_DomainObject):
 
 class Opinion(_DomainObject):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_sr2hswmu5t1>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_ht1vtzfbtzda>`__.
     """
 
     _type = 'opinion'
@@ -676,7 +676,7 @@ class Opinion(_DomainObject):
 
 class Report(_DomainObject):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_ha4fpad0r9pf>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_n8bjzg1ysgdq>`__.
     """
 
     _type = 'report'
@@ -705,7 +705,7 @@ class Report(_DomainObject):
 
 class ThreatActor(_DomainObject):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_2wowmlcbkqst>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_k017w16zutw>`__.
     """
 
     _type = 'threat-actor'
@@ -752,7 +752,7 @@ class ThreatActor(_DomainObject):
 
 class Tool(_DomainObject):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_m21z3a1f3lou>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_z4voa9ndw8v>`__.
     """
 
     _type = 'tool'
@@ -782,7 +782,7 @@ class Tool(_DomainObject):
 
 class Vulnerability(_DomainObject):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_d9f0iay06wtx>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_q5ytzmajn6re>`__.
     """
 
     _type = 'vulnerability'
diff --git a/stix2/v21/sro.py b/stix2/v21/sro.py
index 9a0b9c6..bfe3f6d 100644
--- a/stix2/v21/sro.py
+++ b/stix2/v21/sro.py
@@ -14,7 +14,7 @@ from .common import ExternalReference, GranularMarking
 
 class Relationship(_RelationshipObject):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_al0fb8fcd9e7>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_e2e1szrqfoan>`__.
     """
 
     _invalid_source_target_types = ['bundle', 'language-content', 'marking-definition', 'relationship', 'sighting']
@@ -71,7 +71,7 @@ class Relationship(_RelationshipObject):
 
 class Sighting(_RelationshipObject):
     """For more detailed information on this object's properties, see
-    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_7p0n81ikux8f>`__.
+    `the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html#_a795guqsap3r>`__.
     """
 
     _type = 'sighting'