diff --git a/user.js b/user.js
index f486017..e543b20 100644
--- a/user.js
+++ b/user.js
@@ -734,6 +734,7 @@ user_pref("security.mixed_content.block_display_content", true);
 user_pref("security.mixed_content.block_object_subrequest", true);
 /* 1244: enable https-only-mode [FF76+]
  * [NOTE] This is experimental
+ * [SETTING] Privacy & Security>HTTPS-Only Mode (FF81+)
  * [1] https://bugzilla.mozilla.org/1613063 */
    // user_pref("dom.security.https_only_mode", true); // [FF76+]
    // user_pref("dom.security.https_only_mode.upgrade_local", true); // [FF77+]