diff --git a/src/nvd.1 b/src/nvd.1
index 69c7de0..4dae794 100644
--- a/src/nvd.1
+++ b/src/nvd.1
@@ -141,7 +141,7 @@ sorts versions using the same algorithm as
 and
 .B nix-env -u,
 for more details see:
-.I https://nixos.org/manual/nix/stable/#versions
+.I https://nix.dev/manual/nix/stable/command-ref/nix-env/upgrade#versions
 .SH OPTIONS
 .P
 .TP