diff --git a/cpp/CHANGELOG.md b/cpp/CHANGELOG.md
index 8ccd6fc29f4baab5bcfc9621ee2489cd23b2a1cb..e4c6ce04f69d12cbb63eca1dc5b38100c488aaba 100644
--- a/cpp/CHANGELOG.md
+++ b/cpp/CHANGELOG.md
@@ -12,6 +12,7 @@ Please mark all change in change log and use the ticket from JIRA.
 
 - MS-57 - Implement index load/search pipeline
 - MS-56 - Add version information when server is started
+- Ms-64 - Different table can have different index type
 
 ## Task