Quick hack to get the two-column version working

Author: bartvstratum

index.html

@@ -76,6 +76,7 @@ <h3>Instruction and knowledge clips</h3>
                 <div class="thumbnail">
                     <div class="caption">
                         <h3>Useful links</h3>
+                        <p>Below you can find some additional information on how to compile the model, and run it on recent versions of OS X.</p>
                         <p><a href="https://github.com/classmodel/modelgui#compiling-class">Compiling CLASS on Linux »</a></p>
                         <p><a href="https://github.com/classmodel/modelgui#note-for-os-x-users">Notes for OS X users »</a></p>
                     </div>