fix: doc history

Author: awoie

draft-ietf-oauth-sd-jwt-vc.md

@@ -1597,6 +1597,7 @@ for their contributions (some of which substantial) to this draft and to the ini
 * Use SD-JWT KB in place of SD-JWT with Key Binding JWT
 * Editorial changes
 * Document reasons for not using JSON Pointer or JSON Path (Issue #267)
+* Add extension mechanism and provide example based on DIDs
 
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