diff --git a/docs/build-instructions.md b/docs/build-instructions.md
index b135ba1..d73264d 100644
--- a/docs/build-instructions.md
+++ b/docs/build-instructions.md
@@ -51,7 +51,7 @@ cargo build
 
 ```bash
 # Run the agent and connect to the locally running relay
-cargo run --bin webterm-agent -- --device-name "<device name>" --secret-key "<secret key>" --relays localhost:4200
+cargo run --bin webterm-agent -- --device-name "<device name>" --secret-key "<secret key>" --relays http://localhost:4200
 ```
 
 ## Building the Frontend