diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 1410c6462..b4fc58b99 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -100,9 +100,18 @@ Code
  - 80 character line length
  - commas last
  - declare variables in the outermost scope that they are used
+ - camelCase for variables in JavaScript
+ - snake_case for variables in Python
 
 In general, try to make your code blend in with the surrounding code.
 
+## Pull Requests
+ 
+ - link back to the original issue(s) whenever possible
+ - new commands should be added to the [wiki](https://github.com/Khan/KaTeX/wiki/Function-Support-in-KaTeX)
+ - commits should be squashed before merging
+ - large pull requests should be broken into separate pull requests (or multiple logically cohesive commits), if possible
+
 ## CLA
 
 In order to contribute to KaTeX, you must first sign the CLA, found at www.khanacademy.org/r/cla