diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9359be28a2..a951cb041f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,9 +11,9 @@ Please mark all change in change log and use the ticket from JIRA.
 - \#12 - Pure CPU version for Milvus
 - \#77 - Support table partition
 - \#226 - Experimental shards middleware for Milvus
-- \#284 - Change C++ SDK to shread library
 
 ## Improvement
+- \#284 - Change C++ SDK to shread library
 
 ## Task