Inbox typo

Fixes #865

app/store/ServicesList.js

@@ -129,7 +129,7 @@ Ext.define('Rambox.store.ServicesList', {
 			,type: 'email'
 			,manual_notifications: true
 			,js_unread: 'function checkUnread(){updateBadge(document.getElementsByClassName("ss").length)}function updateBadge(a){a>=1?document.title="("+a+") "+originalTitle:document.title=originalTitle}var originalTitle=document.title;setInterval(checkUnread,3e3);'
-			,note: 'Please be sure to sign out to Hangouts inside Inbox because cause problems. <a href="https://github.com/saenzramiro/rambox/wiki/Inbox" target="_blank">Read more...</a>'
+			,note: 'Please be sure to sign out of Hangouts inside Inbox, as it causes problems. <a href="https://github.com/saenzramiro/rambox/wiki/Inbox" target="_blank">Read more...</a>'
 		},
 		{
 			 id: 'chatwork'