diff --git a/pages/common/nix-collect-garbage.md b/pages/common/nix-collect-garbage.md
index 12f1694970..6c38d5d7f9 100644
--- a/pages/common/nix-collect-garbage.md
+++ b/pages/common/nix-collect-garbage.md
@@ -2,6 +2,7 @@
 
 > Delete unused and unreachable nix store paths.
 > Generations can be listed using `nix-env --list-generations`.
+> More information: <https://nixos.org/releases/nix/latest/manual/#sec-nix-collect-garbage>.
 
 - Delete all store paths unused by current generations of each profile: