diff --git a/nixos/modules/system/activation/top-level.nix b/nixos/modules/system/activation/top-level.nix
index f016fff824c4..84f560691fc4 100644
--- a/nixos/modules/system/activation/top-level.nix
+++ b/nixos/modules/system/activation/top-level.nix
@@ -163,7 +163,7 @@ in
 
     specialisation = mkOption {
       default = {};
-      example = lib.literalExpression "{ fewJobsManyCores.configuration = { nix.settings = { core = 0; max-jobs = 1; }; }";
+      example = lib.literalExpression "{ fewJobsManyCores.configuration = { nix.settings = { core = 0; max-jobs = 1; }; }; }";
       description = ''
         Additional configurations to build. If
         <literal>inheritParentConfig</literal> is true, the system