Index: tools/build/options/makeman
===================================================================
--- tools/build/options/makeman
+++ tools/build/options/makeman
@@ -237,7 +237,7 @@
 		fi
 
 		echo ".It Va ${opt}"
-		sed -e's/\$\(FreeBSD: .*\) \$/from \1/' ${opt}
+		sed -E -e'/\$FreeBSD(: .* \$|\$)/d' ${opt}
 		if [ -n "${targets}" ] ; then
 			echo '.Pp'
 			echo 'It is a default setting on'