diff --git a/user.js b/user.js
index c98e6fa..fa2c08c 100644
--- a/user.js
+++ b/user.js
@@ -851,7 +851,7 @@ user_pref("privacy.sanitize.timeSpan", 0);
     418986 - limit window.screen & CSS media queries (FF41)
       [TEST] https://arkenfox.github.io/TZP/tzp.html#screen
    1281949 - spoof screen orientation (FF50)
-   1281963 - hide the contents of navigator.plugins and navigator.mimeTypes (FF50/53)
+   1281963 - hide the contents of navigator.plugins and navigator.mimeTypes (FF50)
       FF53: fixes GetSupportedNames in nsMimeTypeArray and nsPluginArray (1324044)
    1330890 - spoof timezone as UTC0 (FF55)
    1360039 - spoof navigator.hardwareConcurrency as 2 (FF55)