Define better the case sensitive attribute of the fileset type

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@275132 13f79535-47bb-0310-9956-ffa450edef68

docs/manual/CoreTypes/fileset.html

@@ -69,7 +69,7 @@ equivalent to an <code>&lt;and&gt;</code> selector container.</p>
   </tr>
   <tr>
     <td valign="top">casesensitive</td>
-    <td valign="top">Must the file system be treated in a case sensitive way?
+    <td valign="top">Must the include and exclude patterns be treated in a case sensitive way?
         Defaults to true.</td>
     <td valign="top" align="center">No</td>
   </tr>