Add extensions to Charter history

2024/aria-charter.html

@@ -350,7 +350,7 @@ <h3>
           </dd>      
           <dt class="spec" id="pdf-aam">PDF Accessibility API Mappings 1.0 (Living Recommendation) </dt>
           <dd>
-            <p>This specification will define how user agents map PDF elements and attributes to platform accesssibility application programming interfaces (APIs).</p>
+            <p>This specification will define how user agents map PDF elements and attributes to platform accessibility application programming interfaces (APIs).</p>
             <p class="draft-status"><b>Draft state:</b> No draft</p>
             <p class="milestone"><b>Expected completion:</b> Q3 2025</p>
           </dd>
@@ -679,6 +679,18 @@ <h3>
                   <td></td>
                   <td><a href="https://lists.w3.org/Archives/Member/w3c-ac-members/2022AprJun/0008.html">Valerie Young appointed as co-chair</a>, replacing <a href="https://lists.w3.org/Archives/Member/w3c-ac-members/2021JulSep/0045.html">Joanmarie Diggs who stepped down</a> in September 2021.</td>
                 </tr>
+                <tr>
+                    <th><a href="https://lists.w3.org/Archives/Member/w3c-ac-members/2023OctDec/0060.html">Charter extension</a></th>
+                    <td>18 December 2023</td>
+                    <td>31 July 2024</td>
+                    <td></td>
+                </tr>
+                <tr>
+                    <th><a href="https://lists.w3.org/Archives/Member/w3c-ac-members/2024AprJun/0049.html">Charter Extension</a></th>
+                    <td>1 August 2024</td>
+                    <td>31 December 2024</td>
+                    <td></td>
+                </tr>
                 <tr>
                     <th><a href="https://w3c.github.io/charter-drafts/2024/aria-charter.html">Proposed Charter</a></th>
                     <td>October 2024</td>