FIX: forgot i18n associated with bookmark button (:fired:)

app/assets/javascripts/discourse/views/bookmark-button.js.es6

@@ -3,11 +3,14 @@ import ButtonView from 'discourse/views/button';
 export default ButtonView.extend({
   classNames: ['bookmark'],
   textKey: 'bookmarked.title',
-  helpKeyBinding: 'controller.bookmarkTooltipKey',
   attributeBindings: ['disabled'],
 
   rerenderTriggers: ['controller.bookmarked'],
 
+  helpKey: function() {
+    return this.get("controller.bookmarked") ? "bookmarked.help.unbookmark" : "bookmarked.help.bookmark";
+  }.property("controller.bookmarked"),
+
   click: function() {
     this.get('controller').send('toggleBookmark');
   },

config/locales/client.en.yml

@@ -161,6 +161,12 @@ en:
       contact: "Contact Us"
       contact_info: "In the event of a critical issue or urgent matter affecting this site, please contact us at %{contact_email}."
 
+    bookmarked:
+      title: "Bookmark"
+      help:
+        bookmark: "Click to bookmark this topic"
+        unbookmark: "Click to remove bookmark to this topic"
+
     bookmarks:
       not_logged_in: "sorry, you must be logged in to bookmark posts"
       created: "you've bookmarked this post"