diff --git a/src/tutorials/hole_punching.rs b/src/tutorials/hole_punching.rs
index 49551122..ac2d7c35 100644
--- a/src/tutorials/hole_punching.rs
+++ b/src/tutorials/hole_punching.rs
@@ -106,7 +106,7 @@
 //! On the listening client machine:
 //!
 //! ``` bash
-//! RUST_LOG=info ./client --secret-key-seed 1 --mode listen --relay-address /dns4/$RELAY_SERVER_IP/tcp/4001/p2p/12D3KooWDpJ7As7BWAwRMfu1VU2WCqNjvq387JEYKDBj4kx6nXTN
+//! RUST_LOG=info ./client --secret-key-seed 1 --mode listen --relay-address /ip4/$RELAY_SERVER_IP/tcp/4001/p2p/12D3KooWDpJ7As7BWAwRMfu1VU2WCqNjvq387JEYKDBj4kx6nXTN
 //! ```
 //!
 //! Now let's make sure that the listening client is not public, in other words let's make sure one
@@ -120,7 +120,7 @@
 //! ## Connecting to the listening client from the dialing client
 //!
 //! ``` bash
-//! RUST_LOG=info ./client --secret-key-seed 2 --mode dial --relay-address /dns4/$RELAY_SERVER_IP/tcp/4001/p2p/12D3KooWDpJ7As7BWAwRMfu1VU2WCqNjvq387JEYKDBj4kx6nXTN --remote-peer-id 12D3KooWPjceQrSwdWXPyLLeABRXmuqt69Rg3sBYbU1Nft9HyQ6X
+//! RUST_LOG=info ./client --secret-key-seed 2 --mode dial --relay-address /ip4/$RELAY_SERVER_IP/tcp/4001/p2p/12D3KooWDpJ7As7BWAwRMfu1VU2WCqNjvq387JEYKDBj4kx6nXTN --remote-peer-id 12D3KooWPjceQrSwdWXPyLLeABRXmuqt69Rg3sBYbU1Nft9HyQ6X
 //! ```
 //!
 //! You should see the following logs appear: