Fixed typo in README.md

Author: Hammerstad

README.md

@@ -16,6 +16,6 @@ That's it! Now all you have to do is right clicking on a folder and choose the *
 
 [Original blog post](http://hjerpbakk.com/blog/2017/01/29/open-folder-in-vs-code)
 
-## Changig the code
+## Changing the code
 
 If you want to edit your own version of this service, clone or download the repository and [follow these instructions](https://hjerpbakk.com/blog/2019/01/24/edit-an-automator-workflow).