Numark MixTrack Pro: add hwlabel and fixes

Author: vespadj

source/hardware/controllers/numark_mixtrack_pro.rst

@@ -241,7 +241,7 @@ Compatibility
 Credits
 -------
 
-- 2010 - `Matteo <https://mixxx.discourse.group/u/matteo>`__, :ref:`Numark Mixtrack <numark-mixtrack>`__ Mapping Script Functions
+- 2010 - `Matteo <https://mixxx.discourse.group/u/matteo>`__, :ref:`Numark Mixtrack <numark-mixtrack>` Mapping Script Functions
 - 2011 - James Ralston
 - 2011 - `Darío José Freije <mailto:dario2004@gmail.com>__`
 - 2024 - `Josh Patten <https://github.com/joshpatten>`__ with `PR 12948 <https://github.com/mixxxdj/mixxx/pull/12948>`__