nixos/doc: clean up defaults and examples

1 files changed, 7 insertions, 3 deletions

diff --git a/nixos/modules/system/activation/top-level.nix b/nixos/modules/system/activation/top-level.nix
index dad9acba91a..026fd1791d3 100644
--- a/nixos/modules/system/activation/top-level.nix
+++ b/nixos/modules/system/activation/top-level.nix
@@ -155,7 +155,7 @@ in
 
     specialisation = mkOption {
       default = {};
-      example = lib.literalExample "{ fewJobsManyCores.configuration = { nix.buildCores = 0; nix.maxJobs = 1; }; }";
+      example = lib.literalExpression "{ fewJobsManyCores.configuration = { nix.buildCores = 0; nix.maxJobs = 1; }; }";
       description = ''
         Additional configurations to build. If
         <literal>inheritParentConfig</literal> is true, the system
@@ -243,7 +243,7 @@ in
 
     system.replaceRuntimeDependencies = mkOption {
       default = [];
-      example = lib.literalExample "[ ({ original = pkgs.openssl; replacement = pkgs.callPackage /path/to/openssl { }; }) ]";
+      example = lib.literalExpression "[ ({ original = pkgs.openssl; replacement = pkgs.callPackage /path/to/openssl { }; }) ]";
       type = types.listOf (types.submodule (
         { ... }: {
           options.original = mkOption {
@@ -274,7 +274,11 @@ in
         if config.networking.hostName == ""
         then "unnamed"
         else config.networking.hostName;
-      defaultText = '''networking.hostName' if non empty else "unnamed"'';
+      defaultText = literalExpression ''
+        if config.networking.hostName == ""
+        then "unnamed"
+        else config.networking.hostName;
+      '';
       description = ''
         The name of the system used in the <option>system.build.toplevel</option> derivation.
         </para><para>