1 files changed, 1 insertions, 1 deletions

diff --git a/src/exit/exit.h b/src/exit/exit.h
index 1e92cc501..37ae7e8a4 100644
--- a/src/exit/exit.h
+++ b/src/exit/exit.h
@@ -108,7 +108,7 @@ struct GNUNET_EXIT_TcpDataMessage
 
   /**
    * Skeleton of the TCP header to send.  Port numbers are to
-   * be replaced and the checksum may be updated as necessary.
+   * be replaced and the checksum may be updated as necessary.  (The destination port number should not be changed, as it contains the desired destination port.)
    */
   struct tcp_packet tcp_header;