diff --git a/share/man/man5/core.5 b/share/man/man5/core.5
index c7f16375296b..c2e60e45ad73 100644
--- a/share/man/man5/core.5
+++ b/share/man/man5/core.5
@@ -30,7 +30,7 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     @(#)core.5	8.3 (Berkeley) 12/11/93
-.\"	$Id$
+.\"	$Id: core.5,v 1.5 1997/02/22 13:25:57 peter Exp $
 .\"
 .Dd December 11, 1993
 .Dt CORE 5
@@ -95,7 +95,7 @@ in the
 .Ar u .
 area.
 The size of a ``page'' is given by the constant
-.Dv NBPG
+.Dv PAGE_SIZE
 (also from
 .Aq Pa sys/param.h ) .
 .Sh SEE ALSO