diff --git a/util/COPYRIGHT.PORTION b/util/COPYRIGHT.PORTION
new file mode 100644
index 0000000000..46dfe8f6eb
--- /dev/null
+++ b/util/COPYRIGHT.PORTION
@@ -0,0 +1,14 @@
+Portions Copyright (C) @YEARS@  Internet Software Consortium.
+
+Permission to use, copy, modify, and distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
diff --git a/util/copyrights b/util/copyrights
index 2b26ee78a2..fe3613db28 100644
--- a/util/copyrights
+++ b/util/copyrights
@@ -698,7 +698,7 @@
 ./lib/isc/include/isc/timer.h			C	1998,1999,2000
 ./lib/isc/include/isc/types.h			C	1999,2000
 ./lib/isc/include/isc/util.h			C	1998,1999,2000
-./lib/isc/inet_aton.c				PORTION	1999,2000
+./lib/isc/inet_aton.c				C.PORTION	1999,2000
 ./lib/isc/inet_ntop.c				FIXME	1999,2000
 ./lib/isc/inet_pton.c				FIXME	1999,2000
 ./lib/isc/lex.c					C	1998,1999,2000
@@ -802,12 +802,12 @@
 ./lib/lwres/context.c				C	2000
 ./lib/lwres/context_p.h				C	2000
 ./lib/lwres/gai_strerror.c			C	2000
-./lib/lwres/getaddrinfo.c			PORTION	1999,2000
+./lib/lwres/getaddrinfo.c			C.PORTION	1999,2000
 ./lib/lwres/gethost.c				C	2000
 ./lib/lwres/getipnode.c				C	1999,2000
-./lib/lwres/getnameinfo.c			PORTION	1999,2000
+./lib/lwres/getnameinfo.c			C.PORTION	1999,2000
 ./lib/lwres/getnet.c				C	2000
-./lib/lwres/herror.c				PORTION	2000
+./lib/lwres/herror.c				C.PORTION	2000
 ./lib/lwres/include/.cvsignore			X	2000
 ./lib/lwres/include/Makefile.in			MAKE	2000
 ./lib/lwres/include/lwres/.cvsignore		X	2000
@@ -826,7 +826,7 @@
 ./lib/lwres/include/lwres/result.h		C	2000
 ./lib/lwres/lwbuffer.c				C	2000
 ./lib/lwres/lwconfig.c				C	2000
-./lib/lwres/lwinetaton.c			PORTION	1999,2000
+./lib/lwres/lwinetaton.c			C.PORTION	1999,2000
 ./lib/lwres/lwinetntop.c			FIXME	1999,2000
 ./lib/lwres/lwinetpton.c			FIXME	1999,2000
 ./lib/lwres/lwpacket.c				C	2000
diff --git a/util/update_copyrights b/util/update_copyrights
index 52c61b5791..6dfc4a080e 100644
--- a/util/update_copyrights
+++ b/util/update_copyrights
@@ -23,7 +23,8 @@ require 5.002;
 
 my %owner2filename = (
     "" => "util/COPYRIGHT",
-    "NAI" => "util/COPYRIGHT.NAI"
+    "NAI" => "util/COPYRIGHT.NAI",
+    "PORTION" => "util/COPYRIGHT.PORTION",
 );
 
 # Map each copyright owner name to a reference to an array containing