comments: add info about / action helpers into comments box.

rhodecode/templates/changeset/changeset_file_comment.mako

@@ -340,9 +340,10 b''
         <div class="comment-area-footer">
             <div class="toolbar">
                 <div class="toolbar-text">
-                  ${(_('Comments parsed using %s syntax with %s support.') % (
+                  ${(_('Comments parsed using %s syntax with %s, and %s actions support.') % (
                          ('<a href="%s">%s</a>' % (h.url('%s_help' % c.visual.default_renderer), c.visual.default_renderer.upper())),
-                           ('<span  class="tooltip" title="%s">@mention</span>' % _('Use @username inside this text to send notification to this RhodeCode user'))
+                           ('<span class="tooltip" title="%s">@mention</span>' % _('Use @username inside this text to send notification to this RhodeCode user')),
+                           ('<span class="tooltip" title="%s">`/`</span>' % _('Start typing with / for certain actions to be triggered via text box.'))
                        )
                     )|n}
                 </div>