diff --git a/MozillaThunderbird.changes b/MozillaThunderbird.changes
index e96c69a..d5ec564 100644
--- a/MozillaThunderbird.changes
+++ b/MozillaThunderbird.changes
@@ -2,7 +2,8 @@
 Tue Jul 10 06:29:59 UTC 2018 - wr@rosenauer.org
 
 - update to Thunderbird 52.9.1
-  * fix detaching attachments (bmo#1473893)
+  * Deleting or detaching attachments corrupted messages under certain
+    circumstances (bmo#1473893)
 
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 Mon Jul  2 12:36:32 UTC 2018 - wr@rosenauer.org