Update social media descriptions and links

Author: jordanmccullough

index.html

@@ -76,11 +76,8 @@ <h4>Cheat Sheets</h4>
       <div class="content">
         <h4>Community contributions</h4>
         <p>
-          Would you like to update or clarify content in the slides or workbooks?
-          Just fork the repository, make your changes, and submit a Pull Request.
-        </p>
-        <p>
-          <a href="https://github.com/github/training-kit">Head over to the github/training-kit repository</a>
+          Would you like to update or clarify content in the Kit?
+          Just fork the <a href="https://github.com/github/training-kit">repository</a>, make your changes, and submit a Pull Request.
         </p>
       </div>
     </div>
@@ -89,12 +86,12 @@ <h4>Community contributions</h4>
       <div class="content">
         <h4>Let's be social</h4>
         <p>
-          Like us on Facebook and follow us on Twitter or Google+.<br>
+          Like us on <a href="https://facebook.com/GitHub">Facebook</a> and follow us on <a href="https://twitter.com/githubguides">Twitter</a> or <a href="https://plus.google.com/+GitHubGuides">Google+</a>.
           Stay up to date with the latest GitHub Training events.
         </p>
 
-        <a href="https://facebook.com/GitHub"><span class="octicon octicon-mark-facebook"></span></a>
-        <a href="https://plus.google.com/+GitHubGuides"><span class="octicon octicon-mark-google"></span></a>
+        <span class="octicon octicon-mark-facebook"></span></a>
+        <span class="octicon octicon-mark-google"></span></a>
       </div>
     </div>
   </div>