diff --git a/ssh-transport/src/lib.rs b/ssh-transport/src/lib.rs
index 0cb5217..3bb078f 100644
--- a/ssh-transport/src/lib.rs
+++ b/ssh-transport/src/lib.rs
@@ -195,6 +195,7 @@ impl ServerConnection {
                     let kex_algorithm = kex_algorithms.find(kex.kex_algorithms.0)?;
                     debug!(name = %kex_algorithm.name(), "Using KEX algorithm");
 
+                    // TODO: support ecdsa-sha2-nistp256
                     let server_host_key_algorithm =
                         require_algorithm("ssh-ed25519", kex.server_host_key_algorithms)?;