diff --git a/flake.nix b/flake.nix
index 4d4c22f..6418454 100644
--- a/flake.nix
+++ b/flake.nix
@@ -38,7 +38,7 @@
         config = {
           baseDomain = mkOption {
             type = types.str;
-            description = "Base domain";
+            description = "Base domain.";
           };
         };
       };