Merge pull request #3088 from inoio/fix-help

fix message composing help

packages/rocketchat-ui-message/message/messageBox.coffee

@@ -12,10 +12,12 @@ Template.messageBox.helpers
 			return roomData.name
 	showMarkdown: ->
 		return RocketChat.Markdown
+	showHighlight: ->
+		return RocketChat.Highlight
 	showKatex: ->
 		return RocketChat.katex
 	showFormattingTips: ->
-		return RocketChat.settings.get('Message_ShowFormattingTips') and (RocketChat.Markdown or RocketChat.Highlight or RocketChat.Katex)
+		return RocketChat.settings.get('Message_ShowFormattingTips') and (RocketChat.Markdown or RocketChat.Highlight or RocketChat.katex)
 	canJoin: ->
 		return !! ChatRoom.findOne { _id: @_id, t: 'c' }
 	subscribed: ->