Index: head/tools/build/options/WITHOUT_INSTALLLIB
===================================================================
--- head/tools/build/options/WITHOUT_INSTALLLIB	(revision 297940)
+++ head/tools/build/options/WITHOUT_INSTALLLIB	(revision 297941)
@@ -1,5 +1,8 @@
 .\" $FreeBSD$
 Set this if you do not want to install optional libraries.
 For example when creating a
 .Xr nanobsd 8
 image.
+.Bf -symbolic
+The option does not work for build targets.
+.Ef