Update docs/en/token_endpoint.rst

Co-authored-by: Giuseppe De Marco <[email protected]>

docs/en/token_endpoint.rst

@@ -115,7 +115,7 @@ The claims that MUST be included in the *Token Request* are given below.
      - Required only if **grant_type** is **refresh_token**.
      - |spid-icon| |cieid-icon|
    * - **redirect_uri**
-     - Required. It must be one of the values declared into the claim **redirect_uris** in the metadata of the RP and it must be identical to the value of the claim **redirect_uri** included in the authorization request.
+     - Required. It MUST be one of the values declared into the claim **redirect_uris** in the RP metadata and it MUST match the value of the claim **redirect_uri** included in the previous authorization request.
      - |spid-icon| |cieid-icon|
 
 Response