diff --git a/README.md b/README.md
index 9f0e353c5..08c42539b 100644
--- a/README.md
+++ b/README.md
@@ -121,7 +121,7 @@ Note that all future created nodes can use the same boot-node ENR. Once connecte
 In a third terminal window, start a validator client:
 
 ```
-$ ./validator-client
+$ ./validator_client
 ```
 
 You should be able to observe the validator signing blocks, the boot node