diff --git a/MozillaFirefox.changes b/MozillaFirefox.changes
index 19b6962..3e02000 100644
--- a/MozillaFirefox.changes
+++ b/MozillaFirefox.changes
@@ -19,7 +19,7 @@ Sun May 19 20:40:30 UTC 2019 - Wolfgang Rosenauer <wr@rosenauer.org>
     own avatar
   * Enable FIDO U2F API, and permit registrations for Google Accounts
   * Enabled AV1 support on Linux
-  MFSA 2019-13
+  MFSA 2019-13 (boo#1135824)
   * CVE-2019-9815 (bmo#1546544)
     Disable hyperthreading on content JavaScript threads on macOS
   * CVE-2019-9816 (bmo#1536768)