Adjust wording to "Contribute on GitHub"

Author: benjaminoakes

index.html

@@ -14,7 +14,7 @@ <h1>Welcome to techcorridor.io</h1>
         <div class="col-md-4">
             <h2>GitHub</h2>
             <p>All of the code for our organization is on GitHub.  Want to help out?  Pull requests welcome.  We also have <a href="https://github.com/techcorridorio/techcorridorio.github.io/wiki">a public wiki</a>.</p>
-            <p><a class="btn btn-default" href="http://www.github.com/techcorridorio" role="button">Contribute Code on GitHub &raquo;</a></p>
+            <p><a class="btn btn-default" href="http://www.github.com/techcorridorio" role="button">Contribute on GitHub &raquo;</a></p>
         </div>
         <div class="col-md-4">
             <h2>Slack</h2>