diff --git a/docs/content/en/integration/openid-connect/portainer/index.md b/docs/content/en/integration/openid-connect/portainer/index.md
index 06bebfa50..5feeb65be 100644
--- a/docs/content/en/integration/openid-connect/portainer/index.md
+++ b/docs/content/en/integration/openid-connect/portainer/index.md
@@ -60,7 +60,7 @@ To configure [Portainer] to utilize Authelia as an [OpenID Connect 1.0] Provider
    7. Access Token URL: `https://auth.example.com/api/oidc/token`
    8. Resource URL: `https://auth.example.com/api/oidc/userinfo`
    9. Redirect URL: `https://portainer.example.com`
-   10. Logout URL:  `https://auth.example.com/logout`
+   10. Logout URL (optional):  `https://auth.example.com/logout`
    11. User Identifier: `preferred_username`
    12. Scopes: `openid profile groups email`