diff --git a/README.md b/README.md
index 8b0f680..bcab485 100644
--- a/README.md
+++ b/README.md
@@ -86,10 +86,10 @@ Until browser support becomes widespread, it will probably be necessary to use d
 The following command builds and runs a web version of the [winit demo](#winit). 
 This uses [`cargo-run-wasm`](https://github.com/rukai/cargo-run-wasm) to build the example for web, and host a local server for it
 
-Other examples use the `-p` shorthand, but `cargo-run-wasm` requires the full `--package` to be specified
+Other examples use the `-p` shorthand, but `cargo-run-wasm` requires the full `--package` and binary name to be specified
 
 ```shell
-cargo run_wasm --package with_winit
+cargo run_wasm --package with_winit --bin with_winit_bin
 ```
 
 > **Warning**