diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5a698338a..882a3c111 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -47,6 +47,7 @@
 - improve metadata/infotext parser  
   add `cli/image-exif.py` that can be used to view/extract metadata from images  
 - auto-synchronize modernui and core branches  
+- fix apply/unapply hidiffusion for sd15  
 
 ## Update for 2024-06-02