diff --git a/README.md b/README.md
index 1a72d8a..0d2cc14 100644
--- a/README.md
+++ b/README.md
@@ -51,6 +51,7 @@ These are not necessary to run the app, but can be useful for testing and/or fla
 8. Copy the Python code over to the Pico:
     1. `mpremote cp main.py :main.py`
     2. `mpremote cp config.py :config.py`
+    3. `mpremote cp lib/ :lib/`
 9. Reset the Pico: `mpremote reset`
 
 There's also `./install.sh` if you'd like to run steps 6-9 more quickly.