diff --git a/examples/simple-chat-client/README.md b/examples/simple-chat-client/README.md
index 2105f9f65..82478f056 100644
--- a/examples/simple-chat-client/README.md
+++ b/examples/simple-chat-client/README.md
@@ -10,6 +10,6 @@ the config file is in `src/config.toml`. you can change the config to your own.M
 
 After configuring the config file, you can run the example:
 ```bash
-cargo run --bin simple-chat
+cargo run --bin simple_chat
 ```