diff --git a/README.md b/README.md
index 72f2a3c..cf3e589 100644
--- a/README.md
+++ b/README.md
@@ -75,7 +75,7 @@ The latest prototype is in the folder `app-proto`. It includes both a user inter
 
 1. From the `app-proto` folder, call `trunk build --release`
    - Building in [release mode](https://doc.rust-lang.org/cargo/reference/profiles.html#release) produces an executable which is smaller and often much faster, but harder to debug and more time-consuming to build
-   - If you want to stay in the top-level folder, you can call `trunk serve --config app-proto --release` from there instead
+   - If you want to stay in the top-level folder, you can call `trunk build --config app-proto --release` from there instead
 2. Use `sh` to run the packaging script `tools/package-for-deployment.sh`.
    - The script is location-independent, so you can do this from anywhere in the dyna3 repository
    - The call from the top level of the repository is: