diff --git a/test/xdocs/properties.xml b/test/xdocs/properties.xml
index 70641499..a3fac8bb 100644
--- a/test/xdocs/properties.xml
+++ b/test/xdocs/properties.xml
@@ -55,6 +55,13 @@
             is NOT RECOMMENDED, but quite convenient on occasion.
           </td>
         </tr>
+        <tr>
+          <td>maven.test.failure.ignore</td>
+          <td>Yes</td>
+          <td>
+            Set this to any value to ignore a failure during testing.
+          </td>
+        </tr>
         <tr>
           <td>maven.test.source</td>
           <td>Yes</td>