diff --git a/website/site/content/download/personal-edition/ubuntu.md b/website/site/content/download/personal-edition/ubuntu.md
index 996ceb5e5..51316dc17 100644
--- a/website/site/content/download/personal-edition/ubuntu.md
+++ b/website/site/content/download/personal-edition/ubuntu.md
@@ -99,7 +99,7 @@ server {
 
 ## Set up TLS on NGINX
 
-For a production server, it's important to set up TLS to encrypt web traffic. Without this, your login passwords and data are unprotected. Refer to the [NGINX TLS guide](https://docs.nginx.com/nginx/admin-guide/security-controls/terminating-ssl-http/) and [Let's Encrypt guide](https://www.nginx.com/blog/using-free-ssltls-certificates-from-lets-encrypt-with-nginx/) on setting this up.
+For a production server, it's important to set up TLS to encrypt web traffic. Without this, your login passwords and data are unprotected. Refer to the [NGINX TLS guide](https://docs.nginx.com/nginx/admin-guide/security-controls/terminating-ssl-http/) and [Let's Encrypt guide](https://certbot.eff.org/lets-encrypt/ubuntubionic-nginx) on setting this up.
 
 ## Install Postgresql (Recommended)