diff --git a/libwebsockets-api-doc.html b/libwebsockets-api-doc.html
index a07df43..5839ac9 100644
--- a/libwebsockets-api-doc.html
+++ b/libwebsockets-api-doc.html
@@ -971,6 +971,7 @@
 <h2>struct lws_context_creation_info - </h2>
 <b>struct lws_context_creation_info</b> {<br>
 &nbsp; &nbsp; <i>int</i> <b>port</b>;<br>
+&nbsp; &nbsp; <i>const char *</i> <b>iface</b>;<br>
 &nbsp; &nbsp; <i>struct libwebsocket_protocols *</i> <b>protocols</b>;<br>
 &nbsp; &nbsp; <i>struct libwebsocket_extension *</i> <b>extensions</b>;<br>
 &nbsp; &nbsp; <i>const char *</i> <b>ssl_cert_filepath</b>;<br>
@@ -990,6 +991,9 @@
 <dd>Port to listen on... you can use 0 to suppress listening on
 any port, that's what you want if you are not running a
 websocket server at all but just using it as a client
+<dt><b>iface</b>
+<dd>NULL to bind the listen socket to all interfaces, or the
+interface name, eg, "eth2"
 <dt><b>protocols</b>
 <dd>Array of structures listing supported protocols and a protocol-
 specific callback for each one.  The list is ended with an