Fix broken MavenUrlDecoder URL

Author: cortinico

docs/rule/remote_file.soy

@@ -46,7 +46,7 @@ be downloaded as part of {call buck.cmd_build /}. See the note there about the
   {param desc}
   You can specify an <code>http</code>, <code>https</code>, or a <code>mvn</code> URL. If you
   specify a <code>mvn</code> URL, it will be decoded as described in the
-  {sp}<a href="{ROOT}javadoc/com/facebook/buck/file/MavenUrlDecoder.html">javadocs for
+  {sp}<a href="{ROOT}javadoc/com/facebook/buck/file/downloader/impl/MavenUrlDecoder.html">javadocs for
   MavenUrlDecoder</a>. See the example section below.
   {/param}
 {/call}