diff --git a/wg-charter.html b/wg-charter.html
index 4d914a4..730b50e 100644
--- a/wg-charter.html
+++ b/wg-charter.html
@@ -99,7 +99,7 @@ <h1 id="title"><i class="todo">PROPOSED</i> GPU for the Web Working Group Charte
               Start date
             </th>
             <td>
-              <i class="todo">when approved</i>
+              <i class="todo">[dd monthname yyyy] (date of the "Call for Participation", when the charter is approved)</i>
             </td>
           </tr>
           <tr id="Duration">
@@ -107,7 +107,7 @@ <h1 id="title"><i class="todo">PROPOSED</i> GPU for the Web Working Group Charte
               End date
             </th>
             <td>
-              30 November 2024
+              <i class="todo">[dd monthname yyyy]</i> (Start date + 2 years)
             </td>
           </tr>