diff --git a/pkgs/stdenv/generic/default.nix b/pkgs/stdenv/generic/default.nix
index 125eff9aec5..52d57a6dece 100644
--- a/pkgs/stdenv/generic/default.nix
+++ b/pkgs/stdenv/generic/default.nix
@@ -153,11 +153,11 @@ let
       }) mkDerivation;
 
       # Slated for deprecation in 21.11
-      lib = builtins.trace ( "Warning: `stdenv.lib` is deprecated "
-                           + "and will be removed in the next release. "
-                           + "Please use `pkgs.lib` instead. "
-                           + "For more information see https://github.com/NixOS/nixpkgs/issues/108938")
-                           lib;
+      lib = builtins.trace
+        ( "Warning: `stdenv.lib` is deprecated and will be removed in the next release."
+         + " Please use `pkgs.lib` instead."
+         + " For more information see https://github.com/NixOS/nixpkgs/issues/108938")
+        lib;
 
       inherit fetchurlBoot;