diff --git a/changes/xdocs/goals.xml b/changes/xdocs/goals.xml
index bb8271db..439cea02 100644
--- a/changes/xdocs/goals.xml
+++ b/changes/xdocs/goals.xml
@@ -47,6 +47,7 @@
           <td>changes:validate</td>
           <td>
             Validates the <code>changes.xml</code> file.
+            <strong>Requires at least maven-plugin-plugin 1.7.</strong>
           </td>
         </tr>
       </table>
diff --git a/pom/xdocs/goals.xml b/pom/xdocs/goals.xml
index e76342af..fa39c6ed 100644
--- a/pom/xdocs/goals.xml
+++ b/pom/xdocs/goals.xml
@@ -41,6 +41,7 @@
         <description>
           Validate the Maven XML project descriptor.
           See <a href="validation.html">Validation</a>.
+          <strong>Requires at least maven-plugin-plugin 1.7.</strong>
         </description>
       </goal>
     </goals>