diff --git a/README.md b/README.md
index b8f1306..73281ef 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,9 @@
 ./pxl8.sh run --repl  # Run demo w/ repl
 ```
 **Note** These functions can also take an optional project arg:
+```bash
+./pxl8.sh run <game_dir|game.cart>
+```
 
 > [!WARNING]
 > <strong>Heavy development. So... <em>here be dragons :3</em></strong>