nixos/{renovate, libvirtd}: fix typo

nixos/modules/services/misc/renovate.nix

@@ -69,7 +69,7 @@ in
     validateSettings = mkOption {
       type = types.bool;
       default = true;
-      description = "Weither to run renovate's config validator on the built configuration.";
+      description = "Whether to run renovate's config validator on the built configuration.";
     };
     settings = mkOption {
       type = json.type;

nixos/modules/virtualisation/libvirtd.nix

@@ -363,7 +363,7 @@ in
       type = types.bool;
       default = true;
       description = ''
-        Weither to configure OpenSSH to use the [SSH Proxy](https://libvirt.org/ssh-proxy.html).
+        Whether to configure OpenSSH to use the [SSH Proxy](https://libvirt.org/ssh-proxy.html).
       '';
     };
   };