diff --git a/README.md b/README.md
index 5a0996e..36ad1d2 100644
--- a/README.md
+++ b/README.md
@@ -80,7 +80,8 @@ is set up in the **Smart Pickup** menu in the ESC menu.
 
 **Install:** download `FS25_ADSmartPickup.zip` from
 [Releases](https://git.powerdata.dk/masterdraco/fs25-adsmartpickup/releases). Put the zip, not unpacked,
-in `Documents/My Games/FarmingSimulator2025/mods/`.
+in `Documents/My Games/FarmingSimulator2025/mods/`. Enable the mod together with AutoDrive when you pick
+the savegame. The **Smart Pickup** menu is in the ESC menu, just above Settings.
 
 **Requirements:** AutoDrive is required. Courseplay is needed for field work, and Universal Autoload is
 needed for pallets.
@@ -90,3 +91,6 @@ needed for pallets.
 
 **Feedback:** tell the developer (issues here need an account on git.powerdata.dk). Attach `log.txt`, or at least the lines starting with
 `ADSmartPickup`.
+
+**Development:** the mod code is in `FS25_ADSmartPickup/`. Build the zip with
+`cd FS25_ADSmartPickup && zip -qr ../FS25_ADSmartPickup.zip .`