diff --git a/user.js b/user.js
index 55356f0..1dda946 100644
--- a/user.js
+++ b/user.js
@@ -1459,6 +1459,8 @@ user_pref("privacy.firstparty.isolate.restrict_opener_access", true);
    [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1333651
  ** disable device sensor API (see 2512) (FF56+)
    [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1369319
+ ** disable site specific zoom (see 2515) (FF56+)
+   [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1369357
 ***/
 /* 2699a: enable privacy.resistFingerprinting (FF41+)
  * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=418986 ***/