doc: Correct alias in OAuth2 scopes documentation
// tokenUrl: /oauth2/token
// flow: accessCode
// scopes:
-// offline: "A scope required when requesting refresh tokens (alias for `offline`)"
+// offline: "A scope required when requesting refresh tokens (alias for `offline_access`)"
// offline_access: "A scope required when requesting refresh tokens"
// openid: "Request an OpenID Connect ID Token"
// basic:
