diff --git a/user.js b/user.js
index e6916a0..3875297 100644
--- a/user.js
+++ b/user.js
@@ -957,6 +957,7 @@ user_pref("media.getusermedia.audiocapture.enabled", false);
    // user_pref("media.autoplay.default", 5);
 /* 2031: disable autoplay of HTML5 media if you interacted with the site [FF78+]
  * 0=sticky (default), 1=transient, 2=user
+ * [NOTE] If you have trouble with some video sites, then add an exception (see 2030)
  * [1] https://html.spec.whatwg.org/multipage/interaction.html#sticky-activation ***/
 user_pref("media.autoplay.blocking_policy", 2);