Small updates for Contributing to the Class Ref

community/contributing/updating_the_class_reference.rst

@@ -5,9 +5,10 @@ Contribute to the Class Reference
 
 Godot ships with many nodes and singletons to help you develop your games in GDscript. Each is a class, documented in the :ref:`class reference <toc-class-ref>`. This reference is essential for anyone learning the engine: it is available both online and in the engine. 
 
-But it's incomplete. Many methods, variables and signals lack descriptions. Others changed with recent releases and need updates. The developers can't write the entire reference on their own. Godot needs you, all of us, to contribute.
+But it's incomplete. Some methods, variables and signals lack descriptions. Others changed with recent releases and need updates. The developers can't write the entire reference on their own. Godot needs you, and all of us, to contribute.
 
-**Important:** we use `a collaborative document <https://hackmd.io/s/H1es51Oeqb>`_ to track who's working on what class. Always notify other writers about what you are working on. You'll find the instructions in the doc.
+**Important:** If you are planning to make larger changes or a more substantial contribution, it is usually a good idea
+to create an issue (or a comment in an existing one) to let others know so they don't start working on the same thing too.
 
 .. note:: This guide is available as a `Youtube video <https://www.youtube.com/watch?v=mKKjOulm5XI>`_.