Updating class ref: Typo fix

community/contributing/updating_the_class_reference.rst

@@ -26,7 +26,7 @@ There are 5 steps to update the class reference (full guide below):
 4. Commit your changes and push them to your fork
 5. Make a pull request on the Godot repository
 
-.. warning:: Always use these XML files to edit the API reference. Do not edit the generated .rST files :ref:`in the online documentation <toc-class-ref>`, hosted in the `godot-docs <https://github.com/godotengine/godot-docs>`_ repository.
+.. warning:: Always use these XML files to edit the API reference. Do not edit the generated .rst files :ref:`in the online documentation <toc-class-ref>`, hosted in the `godot-docs <https://github.com/godotengine/godot-docs>`_ repository.
 
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