Android/Analytics setCutstomVar documentation

Android/Analytics/2.0/README.md

@@ -104,7 +104,7 @@ Sample use:
 
 Sample use:
 
-	window.plugins.analytics.setCustomVar(1, "type", "android", 0, function(){alert("SetVar: success");}, function(){alert("SetVar: failure");});
+	window.plugins.analytics.setCustomVar(1, "type", "android", null, function(){alert("SetVar: success");}, function(){alert("SetVar: failure");});
 
 Please keep in mind that these methods, as in any other plugin, are ready to be invoked only after '[deviceready](http://docs.phonegap.com/phonegap_events_events.md.html#deviceready)' event has been fired
 Good practice will be manual dispatch and stop session. Add this code to your main activity:

Android/Analytics/2.0/www/analytics.js

@@ -68,6 +68,17 @@ Analytics.prototype.trackEvent = function(category, action, label, value, succes
 				]);					
 };
 
+/**
+ * Set a custom variable on Google Analytics
+ * @param index			The slot for the custom variable
+ * @param label			The name for the custom variable
+ * @param value			The value for the custom variable
+ * @param scope			The scope for the custom variable (optional)
+
+ * @param successCallback	The success callback
+ * @param failureCallback	The error callback 
+ */
+
 Analytics.prototype.setCustomVar = function(index, label, value, scope, successCallback, failureCallback){
 	return cordova.exec(
 				successCallback,