diff --git a/CHANGELOG.md b/CHANGELOG.md
index b10967f64..4e4632562 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@ Latest
     * Implemented signal_workflow_execution for SWF
     * Wired SWF backend to the moto server
     * Fixed incorrect handling of task list parameter on start_workflow_execution
+    * Added url decoding to x-amz-copy-source header for copying S3 files
     
 1.1.25
 -----