doc: update use in Python

Author: dancergraham

chapter03_decorator/readme.md

@@ -3,15 +3,16 @@
 > **Decorator**: Attach additional responsibilities to an object dynamically. Decorators provide a flexible alternative
 > to subclassing for extending functionality.
 
-Not quite the same as
-python [decorator syntax](https://docs.python.org/3/reference/compound_stmts.html#grammar-token-decorators)
-as in python you call the _decorated function_ and the decorating function
-is called first whereas the _decorating function_ must be called here.
-
 I subclass `ABC` and used the `@abstractmethod` decorator from the
 `abc` module here but do not use any of this functionality -
 it just serves as documentation.
 
+## Use in Python
+
+The python [decorator syntax](https://docs.python.org/3/reference/compound_stmts.html#grammar-token-decorators)
+decorator syntax looks quite different as in python you call the _decorated function_ and the decorating function
+is automatically called first whereas the _decorating function_ must be called according to the pattern in the book.
+
 ## Running the code
 
 ```bash