Update Contributing to the Documentation.rst

Documentation/source/Readme/Contributing to the Documentation.rst

@@ -5,7 +5,7 @@ You are welcome to make contributions to documentation. You can offer your feedb
 
 Excellent contributors will be awarded and the contributions will be publicized in the developer community.
 
-* :ref:`Contribution Method <my-reference-label>`
+* :ref:`Contribution Method <Contribution-method>`
 * `Writing Instructions <https://git.ostc-eu.org/docs/developer-guide/-/blob/master/Documentation/source/Readme/Writing%20Instructions.rst/>`_
 
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