diff --git a/pkgs/applications/networking/browsers/librewolf/update.nix b/pkgs/applications/networking/browsers/librewolf/update.nix
index f55e57abb065..9c210b211932 100644
--- a/pkgs/applications/networking/browsers/librewolf/update.nix
+++ b/pkgs/applications/networking/browsers/librewolf/update.nix
@@ -1,3 +1,5 @@
+# how to use
+# nix-update -u librewolf-unwrapped
 {
   writeScript,
   lib,