fix locale for Markdown ref

templates/repo/comment_form.tmpl

@@ -6,15 +6,12 @@
                 <img class="avatar-40 radius" src="{{.SignedUser.AvatarLink}}" alt=""/>
                 <div class="panel panel-radius">
                     <div class="panel-header">
+                        <div class="md-help pull-right"><!-- todo help link -->
+                            {{.i18n.Tr "repo.release.content_with_md" "https://help.github.com/articles/markdown-basics" | Str2html}}
+                        </div>
                         <ul class="menu menu-line add-nav">
                             <li class="js-tab-nav js-tab-nav-show" data-tab-target="#commit-add-comment-form"><a href="#">{{$.i18n.Tr "repo.release.write"}}</a></li>
                             <li class="js-tab-nav" data-tab-target="#commit-add-comment-preview"><a href="#" id="pull-commit-preview">{{$.i18n.Tr "repo.release.preview"}}</a></li>
-                            <span class="text-right" style="float: right;">
-                                <a href="https://guides.github.com/features/mastering-markdown/" target="_blank">
-                                    <span class="octicon octicon-markdown"></span>
-                                    Markdown supported
-                                </a>
-                            </span>
                         </ul>
                     </div>
                     <div class="panel-content content">