correct example

git-svn-id: https://svn.apache.org/repos/asf/ant/antlibs/props/trunk@1233064 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/docs/stringops.html b/docs/stringops.html
index 7804136..b9bc476 100644
--- a/docs/stringops.html
+++ b/docs/stringops.html
@@ -68,7 +68,7 @@
     <p>Delete shortest trailing match:</p>
     <pre>
       &lt;!-- given ${x}=foo/bar/baz.ext --&gt;
-      ${x%%/*} &lt;!-- yields foo/bar --&gt;
+      ${x%/*} &lt;!-- yields foo/bar --&gt;
     </pre>
 
     <p>Delete longest trailing match:</p>