SF #3435293: Add additional hint for namespace usage.
diff --git a/org.jacoco.doc/docroot/doc/ant.html b/org.jacoco.doc/docroot/doc/ant.html
index 9a6971b..dc3c6dd 100644
--- a/org.jacoco.doc/docroot/doc/ant.html
+++ b/org.jacoco.doc/docroot/doc/ant.html
@@ -81,10 +81,15 @@
Alternatively you might also place the <code>jacocoant.jar</code> in your
Ant <code><i>ANT_HOME</i>/lib</code> folder. If you use the name space URI
<code>antlib:org.jacoco.ant</code> for JaCoCo tasks Ant will find them
- automatically without the <code>taskdef</code> declaration above. Declaring a
- XML namespace for JaCoCo tasks is optional but always recommended if you mix
- tasks from different libraries. All subsequent examples use the
- <code>jacoco</code> prefix declared above.
+ automatically without the <code>taskdef</code> declaration above.
+</p>
+
+<p class="hint">
+ Declaring a XML namespace for JaCoCo tasks is optional but always recommended
+ if you mix tasks from different libraries. All subsequent examples use the
+ <code>jacoco</code> prefix declared above. If you don't declare a separate
+ namespace the <code>jacoco</code> prefix must be removed from the following
+ examples.
</p>
<h2><a name="coverage">Task <code>coverage</code></a></h2>