Reword a confusing sentence

pep-0422.txt

@@ -104,8 +104,8 @@ class initialisation hook as follows::
            # This is invoked after the class is created, but before any
            # explicit decorators are called
            # The usual super() mechanisms are used to correctly support
-           # multiple inheritance. The simple, decorator style invocation
-           # ensures that this is as simple as possible.
+           # multiple inheritance. The decorator style invocation helps
+           # ensure that invoking the parent class is as simple as possible.
 
 If present on the created object, this new hook will be called by the class
 creation machinery *after* the ``__class__`` reference has been initialised.