consistent use of commas

index.html

@@ -86,10 +86,10 @@ <h2>
                 <p>We’re a group of Markdown fans who either work at companies with industrial scale deployments of Markdown, have written Markdown parsers, have extensive experience supporting Markdown with end users &ndash; or all of the above. </p>
                 <ul>
                     <li><strong>John MacFarlane</strong>, of Pandoc</li>
-                    <li><strong>David Greenspan</strong> of Meteor</li>
+                    <li><strong>David Greenspan</strong>, of Meteor</li>
                     <li><strong>Vicent Marti</strong>, of GitHub</li>
                     <li><strong>Neil Williams</strong>, of Reddit</li>
-                    <li><strong>Benjamin Dumke-von der Ehe</strong> of Stack Overflow / Stack Exchange</li>
+                    <li><strong>Benjamin Dumke-von der Ehe</strong>, of Stack Overflow / Stack Exchange</li>
                     <li><strong>Jeff Atwood</strong>, of Discourse</li>
                 </ul>