s/two/three/

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@358642 13f79535-47bb-0310-9956-ffa450edef68

docs/manual/inputhandler.html

@@ -42,7 +42,7 @@ this method must not return unless the <code>request</code> considers
 the user input valid, it is allowed to throw an exception in this
 situation.</p>
 
-<p>Ant comes with two built-in implementations of this interface:</p>
+<p>Ant comes with three built-in implementations of this interface:</p>
 
 <h3><a name="defaulthandler">DefaultInputHandler</a></h3>