diff --git a/shell.nix b/shell.nix
index 3ca1d69..a8783b0 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1,14 +1,14 @@
 { pkgs ? import <nixpkgs> {} }:
 with pkgs;
 mkShell {
-  buildInputs = [ 
-    lessc 
-    minify 
+  buildInputs = [
+    lessc
+    minify
     babashka
     html-tidy
     html-xml-utils
   ];
-  shellHook = '' 
+  shellHook = ''
     echo "shell with lessc and minify"
     '';
 }