fixup! Clarify the README doc

Signed-off-by: Armel Soro <asoro@redhat.com>

Author: rm3l

README.md

@@ -8,7 +8,7 @@
 ## About
 
 The Devfile Parser library is a Golang module that:
-1. parses a devfile as specified by the [api](https://devfile.github.io/devfile/api-reference.html) & [schema](https://github.com/devfile/api/tree/main/schemas/latest).
+1. parses a devfile as specified by the [api](https://devfile.io/docs/2.2.1/devfile-schema) & [schema](https://github.com/devfile/api/tree/main/schemas/latest).
 2. writes to the specified devfile with the updated data.
 3. generates Kubernetes objects for the various devfile resources.
 4. defines util functions for the devfile.