diff --git a/doc/socket.html b/doc/socket.html
index d050a42..d155a20 100644
--- a/doc/socket.html
+++ b/doc/socket.html
@@ -210,6 +210,11 @@ Use the <a href=tcp.html#settimeout><tt>settimeout</tt></a>
 method or <tt>accept</tt> might block forever.  
 </p>
 
+<p class=note>
+<b>Yet another note</b>: If you close a socket and pass
+it to <tt>select</tt>, it will be ignored.
+</p>
+
 <!-- sink ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
 
 <p class=name id=sink>