diff --git a/doc/master/receive_udp b/doc/master/receive_udp
index a1b58c5..60cb80f 100644
--- a/doc/master/receive_udp
+++ b/doc/master/receive_udp
@@ -1,17 +1,16 @@
 SYNOPSIS
-	void receive_udp(string host, string msg, int hostport)
+        void receive_udp(string host, bytes msg, int hostport)
 
 DESCRIPTION
-	Handle a received IMP message.
+        Handle a received UDP message.
 
-	This function is called for every message received on the IMP
-	port. Usually it is passed on to some object that handles
-	inter mud communications.
+        This function is called for every message received on the UDP
+        port. Usually it is passed on to some object that handles
+        inter-mud communications.
 
 HISTORY
-	The 'hostport' argument was added in 3.2.1.
+        The 'hostport' argument was added in 3.2.1.
+        LDMud 3.2.9 renamed this method from receive_imp().
 
 SEE ALSO
-	send_udp(E), query_udp_port(E)
-
-29.10.2006 Zesstra
+        send_udp(E), query_udp_port(E)