diff --git a/cpp/CHANGELOG.md b/cpp/CHANGELOG.md
index 4bf92eae39..37fc0fa1f2 100644
--- a/cpp/CHANGELOG.md
+++ b/cpp/CHANGELOG.md
@@ -12,10 +12,11 @@ Please mark all change in change log and use the ticket from JIRA.
 
 - MS-5 - Implement Auto Archive Feature
 - MS-16 - Implement metrics without prometheus
+- MS-6 - Implement SDK interface part 1
+- MS-21 - Implement SDK interface part 2
+
 ### Task
 
 - MS-1 - Add CHANGELOG.md
 - MS-4 - Refactor the vecwise_engine code structure
-- MS-6 - Implement SDK interface part 1
 - MS-20 - Clean Code Part 1
-- MS-6 - Implement SDK interface part 2