diff --git a/nixos/modules/services/web-apps/discourse.nix b/nixos/modules/services/web-apps/discourse.nix
index d91249aa0ddf..1d7b3c2ff7be 100644
--- a/nixos/modules/services/web-apps/discourse.nix
+++ b/nixos/modules/services/web-apps/discourse.nix
@@ -427,7 +427,7 @@ in
               ]);
             default = null;
             description = ''
-              Authentication type to use, see https://api.rubyonrails.org/classes/ActionMailer/Base.html
+              Authentication type to use, see <https://api.rubyonrails.org/classes/ActionMailer/Base.html>
             '';
           };
 
@@ -443,7 +443,7 @@ in
             type = lib.types.str;
             default = "peer";
             description = ''
-              How OpenSSL checks the certificate, see https://api.rubyonrails.org/classes/ActionMailer/Base.html
+              How OpenSSL checks the certificate, see <https://api.rubyonrails.org/classes/ActionMailer/Base.html>
             '';
           };