Update plugins.rst

Author: webb-ben

docs/source/plugins.rst

@@ -8,7 +8,7 @@ In this section we will explain how pygeoapi provides plugin architecture for da
 Plugin development requires knowledge of how to program in Python as well as Python's package/module system.
 
 .. seealso::
-   :ref:`data-publishing` for configuration of default plugins.
+   :ref:`publishing` for configuration of default plugins.
 
 Overview
 --------