Add Harsha as PMC (#310)

diff --git a/committers.html b/committers.html
index bc63d6b..48259b0 100644
--- a/committers.html
+++ b/committers.html
@@ -120,7 +120,7 @@
         </td>
         <td>
           Sriharsha Chintalapani<br>
-          Committer<br>
+          Committer, and PMC member<br>
           <a href="https://www.linkedin.com/in/sriharsha">/in/sriharsha</a><br>
           <a href="https://twitter.com/d3fmacro">@d3fmacro</a></br>
         </td>