diff --git a/Packaging.md b/Packaging.md
index 7d6319e..4de5db4 100644
--- a/Packaging.md
+++ b/Packaging.md
@@ -20,7 +20,7 @@ are appended automatically.
   (unsigned — signing is aptly's job at publish time, not the package's)
 
 Auth: `APTLY_USER`/`APTLY_PASSWORD` (or none at all, for an open repo) — works
-unchanged across all four presets from [security.md](security.md). Against a signed
+unchanged across all four presets from [Security](/Security). Against a signed
 repo: do **not** pass `--no-sign`, and make sure the server has a signing key (see
 below); against an unsigned repo: pass `--no-sign`.