diff --git a/nixos/modules/services/web-servers/lighttpd/default.nix b/nixos/modules/services/web-servers/lighttpd/default.nix
index 84cd0a4095d..8c3f7b219ac 100644
--- a/nixos/modules/services/web-servers/lighttpd/default.nix
+++ b/nixos/modules/services/web-servers/lighttpd/default.nix
@@ -177,7 +177,7 @@ in
       configText = mkOption {
         default = "";
         type = types.lines;
-	example = ''...verbatim config file contents...'';
+        example = ''...verbatim config file contents...'';
         description = ''
           Overridable config file contents to use for lighttpd. By default, use
           the contents automatically generated by NixOS.