diff --git a/README.md b/README.md
index cb25ff9..3f02bcd 100644
--- a/README.md
+++ b/README.md
@@ -61,6 +61,13 @@ An example of a credential is generated, which is the one that appears in the cr
     python verify_vp.py presentation_signed.json
 ```
 
+## creation of did document:
+This command will create a json document and a url path where to place this document. The did must be a web did.
+This document is an example and in production it must be adapted to contain the revoked verifiable credentials.
+```sh
+  python did.py -k keypair.json -g did:web:localhost:did-registry:z6MkiNc8xqJLcG7QR1wzD9HPs5oPQEaWNcVf92QsbppNiB7C
+```
+
 # Use as a library
 In the tests you can find examples of use. Now I will explain the usual cases
 
diff --git a/README_es.md b/README_es.md
index fb3ba23..4a0653f 100644
--- a/README_es.md
+++ b/README_es.md
@@ -56,13 +56,14 @@ Se genera un ejemplo de credencial que es el que aparece en la plantilla credent
   python sign_vp.py -k keypair.json -c credential_signed.json > presentation_signed.json
 ```
 
-## verificat una presentación verificable:
+## verificar una presentación verificable:
 ```sh
   python verify_vp.py presentation_signed.json
 ```
 
 ## creación del documento did:
 Este comando creara un documento json y una ruta url donde colocar este documento. El did tiene que ser un did web.
+Este documento es un ejemplo y en producción hay que adaptarlo para contener las credenciales verificables revocadas.
 ```sh
   python did.py -k keypair.json -g did:web:localhost:did-registry:z6MkiNc8xqJLcG7QR1wzD9HPs5oPQEaWNcVf92QsbppNiB7C
 ```