diff --git a/lib/types/host.nix b/lib/types/host.nix
index f186d5f..a2aa13a 100644
--- a/lib/types/host.nix
+++ b/lib/types/host.nix
@@ -199,7 +199,7 @@ rec {
 
             type = mkOption {
               type = enum [ "rsa" "ecdsa" "ed25519" ];
-              description = "SSH key type."
+              description = "SSH key type.";
             };
           };
         };