Improve the wording of the section on comments in the group and passwd

files.  Also mention that this feature is not enabled by default
and that they must be enabled by compile-time options.

Fixed another typo or two I noticed while I was at it.

1 files changed, 8 insertions, 5 deletions

diff --git a/share/man/man5/passwd.5 b/share/man/man5/passwd.5
index 08224bf..09a73d2e 100644
--- a/share/man/man5/passwd.5
+++ b/share/man/man5/passwd.5
@@ -30,7 +30,7 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     From: @(#)passwd.5	8.1 (Berkeley) 6/5/93
-.\"	$Id: passwd.5,v 1.11 1997/02/22 13:26:05 peter Exp $
+.\"	$Id: passwd.5,v 1.12 1997/03/09 12:20:48 wosch Exp $
 .\"
 .Dd September 29, 1994
 .Dt PASSWD 5
@@ -70,9 +70,12 @@ User's home directory.
 User's login shell.
 .El
 .Pp
-Lines whose first non-space/tab character is a pound-sign (#)
-are comments, and are ignored. Blank lines -  only spaces, tabs or 
-newline - are ignored too.
+Lines whose first non-whitespace character is a pound-sign (#)
+are comments, and are ignored.  Blank lines which consist
+only of spaces, tabs or newlines are also ignored.  This feature 
+is not enabled by default in
+.Tn FreeBSD
+and must be configured by the administrator with compile-time options.
 .Pp
 The
 .Ar name
@@ -604,5 +607,5 @@ and first appeared in
 The override capability was updated to properly support netgroups
 in
 .Fx 2.0.5 .
-Support for comments are appeared in
+Support for comments first appeared in
 .Fx 3.0 .