minor: change VP of Kafka (#505)

diff --git a/committers.html b/committers.html
index d1dea41..b2cfe94 100644
--- a/committers.html
+++ b/committers.html
@@ -12,7 +12,7 @@
         </td>
         <td>
     	  Jun Rao<br>
-    	  Committer, PMC member, and VP of Kafka<br>
+    	  Committer, PMC member<br>
     	  <a href="http://www.linkedin.com/in/junrao">/in/junrao</a><br>
     	  <a href="http://twitter.com/junrao">@junrao</a>
     	</td>
@@ -274,7 +274,7 @@
         </td>
         <td>
           Mickael Maison<br>
-          Committer, and PMC member<br>
+          Committer, and PMC member, and VP of Kafka<br>
           <a href="https://www.linkedin.com/in/mickaelmaison/">/in/mickaelmaison</a><br>
           <a href="https://twitter.com/MickaelMaison">@MickaelMaison</a>
         </td>