diff --git a/README.md b/README.md
index 38c4817..173f6ea 100644
--- a/README.md
+++ b/README.md
@@ -21,4 +21,4 @@ Switch server
 
 Collect garbage
 
-    nix store gc
\ No newline at end of file
+    nix-collect-garbage -d
\ No newline at end of file