===================================================================
RCS file: /cvs/mandoc/mandoc.1,v
retrieving revision 1.190
retrieving revision 1.191
diff -u -p -r1.190 -r1.191
--- mandoc/mandoc.1	2017/05/30 20:25:32	1.190
+++ mandoc/mandoc.1	2017/05/31 15:31:00	1.191
@@ -1,4 +1,4 @@
-.\"	$Id: mandoc.1,v 1.190 2017/05/30 20:25:32 schwarze Exp $
+.\"	$Id: mandoc.1,v 1.191 2017/05/31 15:31:00 schwarze Exp $
 .\"
 .\" Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
 .\" Copyright (c) 2012, 2014-2017 Ingo Schwarze <schwarze@openbsd.org>
@@ -15,7 +15,7 @@
 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd $Mdocdate: May 30 2017 $
+.Dd $Mdocdate: May 31 2017 $
 .Dt MANDOC 1
 .Os
 .Sh NAME
@@ -753,6 +753,16 @@ or
 .Ic \&Ud
 macro was found.
 Simply delete it: it serves no useful purpose.
+.It Sy "consider using OS macro"
+.Pq mdoc
+A string was found in plain text or in a
+.Ic \&Bx
+macro that could be represented using
+.Ic \&Ox ,
+.Ic \&Nx ,
+.Ic \&Fx ,
+or
+.Ic \&Dx .
 .El
 .Ss Warnings related to the document prologue
 .Bl -ohang