diff --git a/CHANGELOG.md b/CHANGELOG.md
index 608febac4..a29e08596 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,8 @@ _**For better traceability add the corresponding GitHub issue number in each cha
 - Fixed already merged implementation from _"Access and Usage Policy Validation flow correction. #757"_ 
   where fallback to default policy was not implemented correctly.
 - Improved exception handling concerning invalid date format in search parameters for `GET /irs/policies/paged`. #639
+- Fix policy leftOperand prefix in IRS_Request_Collection.json and EdcRegistration.registerPolicy 
+  (`https://w3id.org/catenax/policy` instead of `cx-policy`).
 
 ### Changed