Fix a few typos

docs/writing/structure.rst

@@ -600,7 +600,7 @@ clearer and thus preferred.
 This mechanism is useful for separating concerns and avoiding
 external un-related logic 'polluting' the core logic of the function
 or method. A good example of a piece of functionality that is better handled
-with decoration is memoization or caching: you want to store the results of an
+with decoration is memorization or caching: you want to store the results of an
 expensive function in a table and use them directly instead of recomputing
 them when they have already been computed. This is clearly not part
 of the function logic.

docs/writing/style.rst

@@ -455,9 +455,9 @@ PEP 8
 easy-to-read version of PEP 8 is also available at `pep8.org <http://pep8.org/>`_.
 
 This is highly recommended reading. The entire Python community does their
-best to adhere to the guidelines laidout within this document. Some project
+best to adhere to the guidelines laid out within this document. Some project
 may sway from it from time to time, while others may
-`ammend its recommendations <http://docs.python-requests.org/en/master/dev/contributing/#kenneth-reitz-s-code-style>`_.
+`amend its recommendations <http://docs.python-requests.org/en/master/dev/contributing/#kenneth-reitz-s-code-style>`_.
 
 That being said, conforming your Python code to PEP 8 is generally a good
 idea and helps make code more consistent when working on projects with other