diff --git a/nixos/modules/services/system/nscd.nix b/nixos/modules/services/system/nscd.nix
index c9f2a60a31df..0caebc8ce90a 100644
--- a/nixos/modules/services/system/nscd.nix
+++ b/nixos/modules/services/system/nscd.nix
@@ -38,6 +38,11 @@ in
         default = if pkgs.stdenv.hostPlatform.libc == "glibc"
           then pkgs.stdenv.cc.libc.bin
           else pkgs.glibc.bin;
+        defaultText = literalExample ''
+          if pkgs.stdenv.hostPlatform.libc == "glibc"
+            then pkgs.stdenv.cc.libc.bin
+            else pkgs.glibc.bin;
+        '';
         description = "package containing the nscd binary to be used by the service";
       };