diff --git a/README.md b/README.md
index 1ea3302..1cb1297 100644
--- a/README.md
+++ b/README.md
@@ -41,6 +41,7 @@ The latest prototype is in the folder `app-proto`. It includes both a user inter
 2. Call `trunk serve --release` to build and serve the prototype
    * *The crates the prototype depends on will be downloaded and served automatically*
    * *For a faster build, at the expense of a much slower prototype, you can call `trunk serve` without the `--release` flag*
+   * *If you want to run from the top level of the project, you can say `trunk --config app-proto serve [--release]`*
 3. In a web browser, visit one of the URLs listed under the message `INFO 📡 server listening at:`
    * *Touching any file in the `app-proto` folder will make Trunk rebuild and live-reload the prototype*
 4. Press *ctrl+C* in the shell where Trunk is running to stop serving the prototype