diff --git a/src/main/java/net/schmizz/sshj/transport/TransportImpl.java b/src/main/java/net/schmizz/sshj/transport/TransportImpl.java
index d2486846..f700dded 100644
--- a/src/main/java/net/schmizz/sshj/transport/TransportImpl.java
+++ b/src/main/java/net/schmizz/sshj/transport/TransportImpl.java
@@ -179,7 +179,7 @@ public final class TransportImpl
      *
      * @param buffer
      *
-     * @return
+     * @return empty string if full ident string has not yet been received
      *
      * @throws IOException
      */