Merge pull request #38 from wincent/sub-24

Extract typo fix from #24

Author: wincent

README.md

@@ -236,4 +236,4 @@ npm run watch
 in a terminal. This will watch the file system run lint, tests, and type
 checking automatically whenever you save a js file.
 
-To lint the JS files and type interface checks run `npm run lint`.
+To lint the JS files and run type interface checks run `npm run lint`.