diff --git a/internal/netxlite/tls.go b/internal/netxlite/tls.go
index 296fb8b..e2af24e 100644
--- a/internal/netxlite/tls.go
+++ b/internal/netxlite/tls.go
@@ -118,6 +118,10 @@ type TLSHandshaker interface {
 	// Handshake creates a new TLS connection from the given connection and
 	// the given config. This function DOES NOT take ownership of the connection
 	// and it's your responsibility to close it on failure.
+	//
+	// The returned connection will always implement the TLSConn interface
+	// exposed by this package. A future version of this interface will instead
+	// return directly a TLSConn and remove the ConnectionState param.
 	Handshake(ctx context.Context, conn net.Conn, config *tls.Config) (
 		net.Conn, tls.ConnectionState, error)
 }