diff --git a/user.js b/user.js
index 96bec28..89fa555 100644
--- a/user.js
+++ b/user.js
@@ -1386,7 +1386,8 @@ user_pref("_user.js.parrot", "2700 syntax error: the parrot's joined the bleedin
  * 0=allow all 1=allow same host 2=disallow all 3=allow 3rd party if it already set a cookie
  * [SETTING] Privacy & Security>History>Custom Settings>Accept cookies from sites
  * [SETTING-ESR52] Privacy>History>Custom Settings>Accept cookies from sites
- * [NOTE] This also controls access to 3rd party Web Storage, IndexedDB, Cache API and Service Worker Cache
+ * [NOTE] Blocking 3rd party controls 3rd party access to localStorage, IndexedDB, Cache API and Service Worker Cache.
+ * Blocking 1st party controls access to localStorage and IndexedDB (note: Service Workers can still use IndexedDB).
  * [1] https://www.fxsitecompat.com/en-CA/docs/2015/web-storage-indexeddb-cache-api-now-obey-third-party-cookies-preference/ ***/
 user_pref("network.cookie.cookieBehavior", 2);
 /* 2702: set third-party cookies (i.e ALL) (if enabled, see above pref) to session-only