diff --git a/pages/common/nix.md b/pages/common/nix.md
index bf7edabdba..f792a2906f 100644
--- a/pages/common/nix.md
+++ b/pages/common/nix.md
@@ -13,7 +13,7 @@
 
 - Optimise Nix store disk usage by combining duplicate files:
 
-`nix optimise-store`
+`nix store optimise`
 
 - Start an interactive environment for evaluating Nix expressions: