diff --git a/doc/manual/rl-next/parallelise-signs.md b/doc/manual/rl-next/parallelise-signs.md
index 6be48b7d5..23f7bdf1e 100644
--- a/doc/manual/rl-next/parallelise-signs.md
+++ b/doc/manual/rl-next/parallelise-signs.md
@@ -1,6 +1,6 @@
 ---
 synopsis: "Paralellise `nix store sign` using a thread pool"
-issues: [399]
+issues: [fj#399]
 cls: [2606]
 category: Fixes
 credits: [Lunaphied]