gclid - fix typo

examples/google_clickid.html

@@ -60,7 +60,7 @@ <h3>To edit: make changes to the input URL in the address bar and reload the pag
       // If a media source key is NOT FOUND on the link and NO default value is found, the script will return a null string 
       var mediaSource = {keys: ["inmedia"], defaultValue: "my_media_default_source"};
       var googleClickIdKey = "af_sub4";
-      // Facebook clickid passthrough to "fbclid" outgoing parameter
+      // Google clickid passthrough to "gclid" outgoing parameter
       var gclid_out = {paramKey: "gclid", keys: ["gclid"]};
 
       //Calling the function after embedding the code will be through a global parameter