Increase time commitment for Chairs (#643)

Author: plehegar

2024/ig-exploration.html

@@ -260,7 +260,7 @@ <h2 id="participation">
         </h2>
         <p>
           The Chairs
-          are expected to contribute a quarter of a working day per week
+          are expected to contribute half of a working day per week
           towards the Interest Group. There is no minimum requirement for
           other Participants.
         </p>