diff --git a/docs/guides/nwaku/configure-nwaku.md b/docs/guides/nwaku/configure-nwaku.md
index f4fb4cd..20ea802 100644
--- a/docs/guides/nwaku/configure-nwaku.md
+++ b/docs/guides/nwaku/configure-nwaku.md
@@ -151,7 +151,7 @@ Consider a `nwaku` node that enabled Secure WebSocket (encrypted) using its key
 You can use [Let's Encrypt](https://letsencrypt.org/) or [Certbot](https://certbot.eff.org/) to generate a valid certificate for your `nwaku` node:
 
 ```shell
-sudo letsencrypt -d <your.domain.name>
+sudo certbot certonly -d <your.domain.name>
 ```
 :::
 
@@ -255,4 +255,4 @@ When using a reverse proxy server for SSL/TLS encryption, you only want to annou
 
 :::info
 The `ext-multiaddr-only` option takes precedence over the `nat` and `dns4-domain-name` options, using the values provided by the `ext-multiaddr` option instead.
-:::
\ No newline at end of file
+:::