diff --git a/net/tcp/tcp.h b/net/tcp/tcp.h
index 6f0ca62419d..6f592c0c203 100644
--- a/net/tcp/tcp.h
+++ b/net/tcp/tcp.h
@@ -205,7 +205,7 @@ struct tcp_conn_s
 
   /* Read-ahead buffering.
    *
-   *   readahead - A singly linked list of type struct iob_qentry_s
+   *   readahead - A singly linked list of type struct iob_s
    *               where the TCP/IP read-ahead data is retained.
    */