             else if cmd is 'clear'
                 @_display.html ''
             
+            else if cmd is 'help'
+                @_display.append $('<li>').html """
+                    /color - set css color for the nickname <br/>
+                    /clear - clear message history
+                """ 
+                            
             else
                 @_display.append $('<li>').text 'unknown command '+cmd
                 

                    
            if data = msg.data 
                
                # text message
                if text = data.text
                    nick = data.nick
                    

                            @_input.attr 'placeholder', 'enter an alternate nick'
                            @_button.text 'join'
                            
                        else
                            @_addUser user, origin, true
                    
                    done()
