Mention the compression sub-modules should be canonical

Author: emmatyping

peps/pep-0784.rst

@@ -220,7 +220,8 @@ Other compression modules
 New import names ``compression.lzma``, ``compression.bz2``,
 ``compression.gzip`` and ``compression.zlib`` will be introduced in Python 3.14
 re-exporting the contents of the existing ``lzma``, ``bz2``, ``gzip`` and
-``zlib`` modules respectively.
+``zlib`` modules respectively. The ``compression`` sub-modules will become
+the canonical import names going forward.
 
 The ``_compression`` module, given that it is marked private, will be
 immediately renamed to ``compression._common.streams``. The new name was