diff --git a/MozillaThunderbird.changes b/MozillaThunderbird.changes
index d5ec564..aa35555 100644
--- a/MozillaThunderbird.changes
+++ b/MozillaThunderbird.changes
@@ -3,7 +3,7 @@ Tue Jul 10 06:29:59 UTC 2018 - wr@rosenauer.org
 
 - update to Thunderbird 52.9.1
   * Deleting or detaching attachments corrupted messages under certain
-    circumstances (bmo#1473893)
+    circumstances (bmo#1473893, bsc#1100780)
 
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 Mon Jul  2 12:36:32 UTC 2018 - wr@rosenauer.org