Update IETF-RFC.md

Co-authored-by: Giuseppe Lo Presti <[email protected]>

Author: mickenordin

IETF-RFC.md

@@ -1664,7 +1664,7 @@ from a Sending Party to a Receiving Party.
 * __expiration__: Optional expiration timestamp
 * __name__: Human-readable name of the shared Resource
 * __owner__: OCM Address of the Resource owner
-* __protocol__: Access protocol configuration (webdav, webapp, datatx)
+* __protocol__: Access protocol name and details (webdav, ssh, webapp, ...)
 * __providerId__: Unique identifier for the Share at the provider
 * __requirements__: Array of access requirements (must-use-mfa,
                     must-exchange-token)