Update users.client.module.js

fix typo in comments

modules/users/client/users.client.module.js

@@ -1,6 +1,6 @@
 'use strict';
 
-// Use Applicaion configuration module to register a new module
+// Use Application configuration module to register a new module
 ApplicationConfiguration.registerModule('users', ['core']);
 ApplicationConfiguration.registerModule('users.admin', ['core.admin']);
 ApplicationConfiguration.registerModule('users.admin.routes', ['core.admin.routes']);