fix typo

git-svn-id: https://svn.apache.org/repos/asf/maven/maven-1/plugins/trunk@179022 13f79535-47bb-0310-9956-ffa450edef68

scm/xdocs/properties.xml

@@ -68,7 +68,7 @@
             <td>Yes</td>
             <td>
               The directory to checkout the sources to for the bootstrap and checkout goals.
-              The default is <code>${maven.build.dir}/checkouts</code>.
+              The default is <code>${maven.build.dir}/checkout</code>.
             </td>
           </tr>
           <tr>