diff --git a/lists/microsoft-office365-ip/lists.json b/lists/microsoft-office365-ip/list.json
similarity index 98%
rename from lists/microsoft-office365-ip/lists.json
rename to lists/microsoft-office365-ip/list.json
index 95624d2..76b90fe 100644
--- a/lists/microsoft-office365-ip/lists.json
+++ b/lists/microsoft-office365-ip/list.json
@@ -1,5 +1,5 @@
 {
-  "description": "Office 365 URLs and IP address ranges",
+  "description": "Office 365 IP address ranges",
   "list": [
     "104.146.128.0/17",
     "104.210.208.16/29",
@@ -319,7 +319,7 @@
     "ip-dst",
     "domain|ip"
   ],
-  "name": "List of known Office 365 IP address ranges",
+  "name": "List of known Office 365 IP",
   "type": "cidr",
   "version": 20190310
 }
diff --git a/lists/microsoft-office365/list.json b/lists/microsoft-office365/list.json
index ef6fff2..ae60b9c 100644
--- a/lists/microsoft-office365/list.json
+++ b/lists/microsoft-office365/list.json
@@ -1,5 +1,5 @@
 {
-  "description": "Office 365 URLs and IP address ranges",
+  "description": "Office 365 URLs",
   "list": [
     "-files.sharepoint.com",
     "-myfiles.sharepoint.com",
@@ -413,7 +413,7 @@
     "domain|ip",
     "hostname"
   ],
-  "name": "List of known Office 365 URLs address ranges",
-  "type": "string",
+  "name": "List of known Office 365 URLs",
+  "type": "substring",
   "version": 20190310
 }