diff --git a/README.md b/README.md
index 420553f..724cfe6 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@ The following taxonomies are described:
 - [EUCI](./euci) - EU classified information marking
 - [Europol Incident](./europol-incident) - Europol class of incident taxonomy
 - [Europol Events](./europol-events) - Europol type of events taxonomy
-- [FIRST CSIRT Case](./first_csirt_case_classification) classification
+- [FIRST CSIRT Case](./csirt_case_classification) classification
 - [Information Security Indicators](./information-security-indicators) -  ETSI GS ISI 001-1 (V1.1.2): ISI Indicators 
 - [Information Security Marking Metadata](./dni-ism) from DNI (Director of National Intelligence - US)
 - [Malware](./malware) classification based on a SANS document
@@ -86,7 +86,7 @@ EUROPOL class of incident taxonomy
 
 EUROPOL type of events taxonomy
 
-### [FIRST CSIRT Case](./first_csirt_case_classification) classification
+### [FIRST CSIRT Case](./csirt_case_classification) classification
 
 FIRST CSIRT Case Classification.