Fix for "name required" for tab at 5.2.8.4 and 5.2.8.5 (#1771)

(name required) is missing for "tab" on 5.2.8.4 and 5.2.8.5. The query is searching the "Accessible Name Required:" value to be "True". There were extra spaces around that value so the string read "True " instead of "True".

index.html

@@ -8161,7 +8161,7 @@ <h5>Note regarding the ARIA 1.1 <rref>none</rref> role.</h5>
 					</tr>
 					<tr>
 						<th class="role-namerequired-head" scope="row">Accessible Name Required:</th>
-						<td class="role-namerequired"> True </td>
+						<td class="role-namerequired">True</td>
 					</tr>
 					<tr>
 						<th class="role-namerequired-inherited-head" scope="row">Inherits Name Required:</th>