diff --git a/HISTORY.md b/HISTORY.md
index ec5a553d..0d9d524e 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -4,6 +4,9 @@ http://visjs.org
 
 ## not yet released, version 3.8.1-SNAPSHOT
 
+### Network
+
+- reverted change in image class, fixed bug #552
 
 ## 20145-01-09, version 3.8.0