diff --git a/man2/close.2 b/man2/close.2
index c920b24..a57b0f4 100644
--- a/man2/close.2
+++ b/man2/close.2
@@ -123,6 +123,13 @@ other threads in the same process.
 Since a file descriptor may be reused,
 there are some obscure race conditions
 that may cause unintended side effects.
+.PP
+When dealing with sockets, you have to be sure that there is no
+.BR recv (2)
+still blocking on it on another thread, otherwise it might block forever,
+since no more messages will be send via the socket. Be sure to use
+.BR shutdown (2)
+to shut down all parts the connection before closing the socket.
 .\" Date: Tue, 4 Sep 2007 13:57:35 +0200
 .\" From: Fredrik Noring <noring@nocrew.org>
 .\" One such race involves signals and ERESTARTSYS. If a file descriptor