diff --git a/CHANGELOG b/CHANGELOG
index 24bcc52f0..70220693d 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -16,7 +16,7 @@
   already (in menu task list and document list)
 - break long original file names on viewDocument page
 - fix potential XSS attack in many fields of settings
-- allow to edit original filename
+- allow to edit original filename, check filename for problematic chars
 
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                      Changes in version 5.1.40