docs: fix by proofreading

Co-authored-by: MGatner <[email protected]>

Author: kenjis

user_guide_src/source/general/modules.rst

@@ -196,7 +196,7 @@ Config files are automatically discovered whenever using the **config()** functi
 
 .. note:: **config()** finds the file in **app/Config/** when there is a class with the same shortname,
     even if you specify a fully qualified class name like ``config(\Acme\Blog\Config\Blog::class)``.
-    This is because ``Factories``'s the default configuration. See :ref:`factories-options` for more information.
+    This is because ``config()`` is a wrapper for the ``Factories`` class which uses ``preferApp`` by default. See :ref:`factories-options` for more information.
 
 Migrations
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