Update RELEASING.md

Author: ntwb

RELEASING.md

@@ -8,7 +8,7 @@ Due to the interactive nature of grunt-patch-wordpress, some manual testing is r
 2) Use `npm link` to test the unreleased version of grunt-patch-wordpress
 3) create a patch in WordPress to bump grunt patch wordpress and upload it using `npm run grunt upload_patch`.
 4) Revert that file.
-5) use `npm run grunt patch` to check the file you just uploaded
+5) Use `npm run grunt patch` to check the file you just uploaded
 
 ## Major, Minor, or Patch