diff --git a/sources/README-dockerhub-orthanc-nginx-certbot.md b/sources/README-dockerhub-orthanc-nginx-certbot.md
index ecaa8c3..69ca6b0 100644
--- a/sources/README-dockerhub-orthanc-nginx-certbot.md
+++ b/sources/README-dockerhub-orthanc-nginx-certbot.md
@@ -13,7 +13,7 @@ On top of [orthancteam/orthanc-nginx](https://hub.docker.com/r/orthancteam/ortha
 
 | Environment variables      | Default value                              | Description                                                                                                     |
 |----------------------------|:-------------------------------------------|:----------------------------------------------------------------------------------------------------------------|
-| DOMAIN_NAME                | -                                          | FQNA redirecting to the public IP of the server running Nginx.                                                  |
+| DOMAIN_NAME                | -                                          | FQDN redirecting to the public IP of the server running Nginx.                                                  |
 | CERTBOT_EMAIL              | -                                          | Email adress provided to lets'encrypt, could be used to send warnings about certificates about to expire.       |
 
 NB: `ENABLE_HTTPS` env var decribed in [orthancteam/orthanc-nginx](https://hub.docker.com/r/orthancteam/orthanc-nginx) is not applicable in this version of the orthanc-nginx.
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