fix typo

Author: swyxio

README.md

@@ -2,7 +2,7 @@
 
 This is an optional tool that helps with building or locally developing [Netlify Functions](https://www.netlify.com/docs/functions/) with a simple webpack/babel build step.
 
-The goal is to make it easy to write Lambda's with transpiled JS/Typescipt features and imported modules.
+The goal is to make it easy to write Lambda's with transpiled JS/TypeScript features and imported modules.
 
 ## Installation