Update IETF-RFC.md

Co-authored-by: Mahdi Baghbani <[email protected]>

Author: mickenordin

IETF-RFC.md

@@ -1223,7 +1223,7 @@ a JSON document with the following format:
     * OPTIONAL: `rocrate` - an embedded JSON object following the
       [ROCRATE](https://www.researchobject.org/ro-crate/specification/1.1/data-entities.html)
       data-entities specification.
-    * REQUIRED: `id` - the unique identifier of the resource at the OCM Server
+    * REQUIRED: `providerId` - the unique identifier of the resource at the OCM Server
   Example:
 
  ```json