nsswitch.conf.5: Minor fix-ups after comments from Mark Bannister

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

man5/nsswitch.conf.5

@@ -21,17 +21,17 @@
 .\" Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 .\" MA 02111, USA.
 .\"
-.TH NSSWITCH.CONF 5 2012-03-29 "Linux" "Linux Programmer's Manual"
+.TH NSSWITCH.CONF 5 2012-04-14 "Linux" "Linux Programmer's Manual"
 .SH NAME
 nsswitch.conf \- Name Service Switch configuration file
 .SH DESCRIPTION
-The
-.I /etc/nsswitch.conf
-("Name Server Switch", NSS)
-file is a configuration file used by the GNU C Library to determine
+The Name Service Switch (NSS) configuration file,
+.IR /etc/nsswitch.conf ,
+is used by the GNU C Library to determine
 the sources from which to obtain name-service information in
 a range of categories,
 and in what order.
+(The "
 Each category of information is identified by a database name.
 .LP
 The file is plain ASCII text, with columns separated by spaces or tab
@@ -172,7 +172,7 @@ On systems with additional libraries installed, you may have access to
 further services such as "hesiod", "ldap", "winbind" and "wins".
 .LP
 An action may also be specified following a service specification.
-The action modifies the behaviour following a result obtained
+The action modifies the behavior following a result obtained
 from the preceding data source.
 Action items take the general form:
 .LP
@@ -333,8 +333,9 @@ Service (NIS) and the Domain Name Service (DNS), became popular,
 a method was needed
 that would be more flexible than fixed search orders coded into
 the C library.
-The Names Server Switch mechanism
-(based on the mechanism used by Sun Microsystems in the Solaris 2 C library)
+The Name Service Switch mechanism,
+which was based on the mechanism used by
+Sun Microsystems in the Solaris 2 C library,
 introduced a cleaner solution to the problem.
 .SH SEE ALSO
 .BR getent (1),