diff --git a/reference/sockets/functions/socket-set-nonblock.xml b/reference/sockets/functions/socket-set-nonblock.xml
index 3df5b2cf51..0ebd8e9e76 100644
--- a/reference/sockets/functions/socket-set-nonblock.xml
+++ b/reference/sockets/functions/socket-set-nonblock.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.3 $ -->
+<!-- $Revision: 1.4 $ -->
 <!-- splitted from ./en/functions/sockets.xml, last change in rev 1.27 -->
   <refentry id="function.socket-set-nonblock">
    <refnamediv>
@@ -14,7 +14,32 @@
      </methodsynopsis>
      &warn.experimental.func;
     <para>
-     &warn.undocumented.func;
+     The <function>socket_set_nonblock</function> function sets the O_NONBLOCK flag 
+     on the socket specified by the <parameter>socket</parameter> parameter.
+    </para>
+    <para>
+    <example>
+    <title><function>socket_set_nonblock</function> example</title>
+    <programlisting role="php">
+<![CDATA[
+<?php
+$port = 9090;
+if(! $socket = socket_create_listen( $port ) )
+{
+    echo socket_strerror( socket_last_error( ) );
+}
+if(! socket_set_option( $socket, SOL_SOCKET, SO_REUSEADDR, 1 ) )
+{
+    echo socket_strerror( socket_last_error( ) );
+}
+if(! socket_set_nonblock( $socket ) )
+{
+    echo socket_strerror( socket_last_error( ) );
+}
+?>
+]]>
+    </programlisting>
+    </example>
     </para>
     <para>
      &return.success;