Based on what is on other UPnP ports and on the casing as show in Wikipedia:
Index: Makefile =================================================================== RCS file: /cvs/ports/multimedia/coherence/Makefile,v retrieving revision 1.7 diff -u -r1.7 Makefile --- Makefile 16 Sep 2011 10:31:23 -0000 1.7 +++ Makefile 12 Nov 2012 13:30:24 -0000 @@ -1,6 +1,6 @@ # $OpenBSD: Makefile,v 1.7 2011/09/16 10:31:23 espie Exp $ -COMMENT = uPnP/DLNA media server +COMMENT = UPnP/DLNA media server MODPY_EGG_VERSION = 0.6.6.2 DISTNAME = Coherence-${MODPY_EGG_VERSION}