javadoc typo for openfire.lib.dir

git-svn-id: http://svn.igniterealtime.org/svn/repos/openfire/trunk@13727 b35dd754-fafc-0310-a699-88a17e54d16e

src/java/org/jivesoftware/openfire/starter/ServerStarter.java

@@ -40,7 +40,7 @@ import  org.jivesoftware.util.Log;
  *      <li>Start the server</li>
  * </ul>
  *
- * Note: if the enviroment property <tt>openfire.lib.directory</tt> is specified
+ * Note: if the enviroment property <tt>openfire.lib.dir</tt> is specified
  * ServerStarter will attempt to use this value as the value for openfire's lib
  * directory. If the property is not specified the default value of ../lib will be used.
  *