Fix typo by rewriting sentence.

svn path=/head/; revision=43239

share/man/man3/assert.3

@@ -30,9 +30,9 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     @(#)assert.3	8.1 (Berkeley) 6/9/93
-.\"	$Id: assert.3,v 1.3 1997/03/07 03:27:51 jmg Exp $
+.\"	$Id: assert.3,v 1.4 1998/01/02 19:22:50 alex Exp $
 .\"
-.Dd June 9, 1993
+.Dd January 26, 1999
 .Dt ASSERT 3
 .Os
 .Sh NAME
@@ -49,7 +49,7 @@ macro tests the given
 and if it is false,
 the calling process is terminated.
 A
-diagnostic message is written to the
+diagnostic message is written to
 .Em stderr
 and the function
 .Xr abort 3
@@ -65,11 +65,13 @@ macro does nothing.
 The
 .Fn assert
 macro
-may be removed at compile time with
-the
-.Fl NDEBUG
-option, see
-.Xr cc 1 .
+may be removed at compile time by defining
+.Dv NDEBUG
+as a macro
+(e.g., by using the
+.Xr cc 1
+option
+.Fl D Ns Dv NDEBUG ) .
 .Sh DIAGNOSTICS
 The following diagnostic message is written to
 .Em stderr