fix typo

Author: uschindler

src/main/docs/ant-task.html

@@ -106,7 +106,7 @@ <h2>Parameters</h2>
   <td>failOnUnresolvableSignatures</td>
   <td><code>boolean</code></td>
   <td><code>true</code></td>
-  <td>Fail the build if a signature is not resolving. If this parameter is set to to false, then such signatures are silently ignored.</td>
+  <td>Fail the build if a signature is not resolving. If this parameter is set to <code>false</code>, then such signatures are silently ignored.</td>
 </tr>
 
 <tr>