Merge pull request #19 from twisted/devlopment

a few other minor spelling / style guide things

Author: glyph

README.md

@@ -9,7 +9,7 @@ repository at [twisted/documents](https://github.com/twisted/documents).
 # Development of the website
 
 You can run a local test server via `$ python3 test_server.py`.
-It is designed to replicate the same 404 behaviour as GitHub Pages.
+It is designed to replicate the same 404 behavior as GitHub Pages.
 
 
 ## Tools
@@ -29,7 +29,7 @@ pip install nodeenv
 nodeenv node-env
 . node-env/bin/activate
 ```
-## JS devlopment
+## JS development
 
 `jest` is used for the test suite.