diff --git a/[refs] b/[refs]
index 0fa2dcbaec53..66c610f8140a 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 92d8682926342d2b6aa5b2ecc02221e00e1573a0
+refs/heads/master: 7eb38527c4e485923fa3f87d11ce11b4e6ebf807
diff --git a/trunk/include/net/tcp.h b/trunk/include/net/tcp.h
index 7118668ad534..adfe6dbe9053 100644
--- a/trunk/include/net/tcp.h
+++ b/trunk/include/net/tcp.h
@@ -196,7 +196,7 @@ extern void tcp_time_wait(struct sock *sk, int state, int timeo);
 /* TCP thin-stream limits */
 #define TCP_THIN_LINEAR_RETRIES 6       /* After 6 linear retries, do exp. backoff */
 
-/* TCP initial congestion window */
+/* TCP initial congestion window as per draft-hkchu-tcpm-initcwnd-01 */
 #define TCP_INIT_CWND		10
 
 extern struct inet_timewait_death_row tcp_death_row;