Maybe should also be placed right to the actions bar.
There are several ways to give the user hints how to interact with the system. The chosen color red is definitely too hard. It should be appear an info box in blue. I would suggest to use bootstrap's alerts. On http://getbootstrap.com/components/#alerts you find a description how to handle with alerts.
<divclass="alert alert-info alert-dismissible"role="alert"><buttontype="button"class="close"data-dismiss="alert"><spanaria-hidden="true">×</span><spanclass="sr-only">Close</span></button><strong>Info:</strong> To enable edit options, selelct at least on post