Editorial: Fix computed role typo for role radiogroup (#208)

Co-authored-by: Rahim Abdi <[email protected]>

Author: rahimabdi

core-aam/index.html

@@ -3130,7 +3130,7 @@ <h4 id=role-map-radiogroup><code>radiogroup</code></h4>
     <tr>
       <th>Computed Role</th>
       <td>
-        <p><code>ragiogroup</code></p>
+        <p><code>radiogroup</code></p>
       </td>
     </tr>
     <tr>