diff --git a/lib/libcurses/curses_screen.3 b/lib/libcurses/curses_screen.3
index 904e82d754d7..4654f61364ab 100644
--- a/lib/libcurses/curses_screen.3
+++ b/lib/libcurses/curses_screen.3
@@ -1,4 +1,4 @@
-.\"	$NetBSD: curses_screen.3,v 1.18 2017/01/05 09:46:08 wiz Exp $
+.\"	$NetBSD: curses_screen.3,v 1.19 2017/01/05 12:35:41 wiz Exp $
 .\"
 .\" Copyright (c) 2002
 .\"	Brett Lymn (blymn@NetBSD.org, brett_lymn@yahoo.com.au)
@@ -131,7 +131,7 @@ entries for the terminal type.
 If the environment variables
 .Ev LINES
 or
-.Ev COLS
+.Ev COLUMNS
 are set, then these will be used instead.
 .Pp
 When either