diff --git a/README.md b/README.md
index 86819af..e8f00d4 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,7 @@ $ nix develop .
 or just the Typst installation on your system:
 
 ```
-$ typst watch presentation --open
+$ typst watch presentation.typ --open
 ```
 
 ## Screenshots