0203: make sure users know these are 74+ prefs

user.js

@@ -150,7 +150,7 @@ user_pref("_user.js.parrot", "0200 syntax error: the parrot's definitely decease
  * [SETTING] to add site exceptions: Page Info>Permissions>Access Your Location
  * [SETTING] to manage site exceptions: Options>Privacy & Security>Permissions>Location>Settings ***/
    // user_pref("permissions.default.geo", 2);
-/* 0203: use Mozilla geolocation service instead of Google when geolocation is enabled
+/* 0203: use Mozilla geolocation service instead of Google when geolocation is enabled [FF74+]
  * Optionally enable logging to the console (defaults to false) ***/
 user_pref("geo.provider.network.url", "https://location.services.mozilla.com/v1/geolocate?key=%MOZILLA_API_KEY%");
    // user_pref("geo.provider.network.logging.enabled", true); // [HIDDEN PREF]