diff --git a/changelog b/changelog
index 289112f..e8c69a2 100644
--- a/changelog
+++ b/changelog
@@ -110,4 +110,6 @@ IM-client 1.5.10
     * Add wait function enhancement.
 
 IM-client 1.5.11
-    * Add Add create_wait_outputs operation function.
+    * Add create_wait_outputs operation function.
+    * Add change_auth operation.
+