diff --git a/CHANGELOG.md b/CHANGELOG.md
index 90eda79..9be1426 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,7 @@
 
 * Add property CustomFilter to class DirectoryConnection, to allow setting a custom LDAP filter per LDAP connection
 * Add sample custom claims provider LDAPCPSE_basic
-* Fix validation issue when multiple LDAP connections return an identical entity
+* Fix validation issue when multiple LDAP connections return an identical entity - https://github.com/Yvand/LDAPCP/issues/231
 
 ## LDAPCP Second Edition v19.0.20240823.4 - Published in August 23, 2024