diff --git a/CHANGES.md b/CHANGES.md
index 1e3c90b702a..2e0de423110 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -2,7 +2,7 @@
 
 #### next release (8.3.3)
 
-- Allow a story to use iframe tag
+- Allow a story to use iframe tag if the source is Youtube.
 - [The next improvement]
 
 #### 8.3.2 - 2023-08-11