diff --git a/lib/libc/nls/Makefile.inc b/lib/libc/nls/Makefile.inc
--- a/lib/libc/nls/Makefile.inc
+++ b/lib/libc/nls/Makefile.inc
@@ -12,6 +12,11 @@
 #       for translators.
 
 NLSNAME=	libc
+# We don't want libc's NLS catalogues to be installed in the clibs package.
+# Put them in locales instead, since anyone interested in NLS will have
+# that installed.
+NLSPACKAGE=	locales
+
 NLS+=	be_BY.UTF-8
 NLS+=	ca_ES.ISO8859-1
 NLS+=	de_DE.ISO8859-1
diff --git a/share/mk/bsd.nls.mk b/share/mk/bsd.nls.mk
--- a/share/mk/bsd.nls.mk
+++ b/share/mk/bsd.nls.mk
@@ -1,6 +1,8 @@
 #
-# This include file <bsd.nls.mk> handles building and installing Native
-# Language Support (NLS) catalogs
+# Handle building and installing Native Language Support (NLS) catalogs.
+# This is implemented using a <bsd.files.mk> files group called "NLS",
+# so any per-group options that bsd.files.mk supports can be used here
+# with the prefix "NLS".
 #
 # +++ variables +++
 #
@@ -17,6 +19,9 @@
 # NLSMODE	National Language Support files mode. [${NOBINMODE}]
 #
 # NLSOWN	National Language Support files owner. [${SHAREOWN}]
+#
+# NLSPACKAGE	Package to install the NLS files in.
+#		[${PACKAGE}, or "utilities" if not set]
 
 .if !target(__<bsd.init.mk>__)
 .error bsd.nls.mk cannot be included directly.