adding the username placeholder

client/views/account/accountProfile.coffee

@@ -9,6 +9,9 @@ Template.accountProfile.helpers
 	userLanguage: (key) ->
 		return (localStorage.getItem('userLanguage') or defaultUserLanguage())?.split('-').shift().toLowerCase() is key
 
+	username: ->
+		return Meteor.user().username
+
 Template.accountProfile.onCreated ->
 	settingsTemplate = this.parentTemplate(3)
 	settingsTemplate.child ?= []

client/views/account/accountProfile.html

@@ -12,7 +12,7 @@
 					<div class="input-line">
 						<label for="username">{{_ "Username"}}</label>
 						<div>
-							<input type="text" name="username" id="username" />
+							<input type="text" name="username" id="username" placeholder="{{username}}" />
 						</div>
 					</div>
 					<div class="input-line">