diff --git a/user.js b/user.js
index 91880e2..a560964 100644
--- a/user.js
+++ b/user.js
@@ -1346,7 +1346,7 @@ user_pref("security.csp.experimentalEnabled", true);
  * [2] https://www.wordfence.com/blog/2017/01/gmail-phishing-data-uri/
  * [3] https://www.fxsitecompat.com/en-CA/docs/2017/data-url-navigations-on-top-level-window-will-be-blocked/ ***/
 user_pref("security.data_uri.block_toplevel_data_uri_navigations", true);
-/* 2676: disable CSP violation events
+/* 2676: disable CSP violation events (FF59+)
  * [1] https://developer.mozilla.org/docs/Web/API/SecurityPolicyViolationEvent ***/
 user_pref("security.csp.enable_violation_events", false);