Update pt_chown sections of the manual

The pt-chown binary is discussed in the "Running make install" section
without clarification of the needed configure option.  Clarify this
and simplfy the discription which is already covered in the "Configuring
and compiling" section.

1 files changed, 5 insertions, 8 deletions

diff --git a/manual/install.texi b/manual/install.texi
index 2ac0104ca6..4ca7b1a1ab 100644
--- a/manual/install.texi
+++ b/manual/install.texi
@@ -320,14 +320,11 @@ can dramatically improve performance with NIS+, and may help with DNS as
 well.
 
 One auxiliary program, @file{/usr/libexec/pt_chown}, is installed setuid
-@code{root}.  This program is invoked by the @code{grantpt} function; it
-sets the permissions on a pseudoterminal so it can be used by the
-calling process.  This means programs like @code{xterm} and
-@code{screen} do not have to be setuid to get a pty.  (There may be
-other reasons why they need privileges.)  If you are using a
-Linux kernel with the @code{devptsfs} or @code{devfs} filesystems
-providing pty slaves, you don't need this program; otherwise you do.
-The source for @file{pt_chown} is in @file{login/programs/pt_chown.c}.
+@code{root} if the @samp{--enable-pt_chown} configuration option is used.
+This program is invoked by the @code{grantpt} function; it sets the
+permissions on a pseudoterminal so it can be used by the calling process.
+If you are using a Linux kernel with the @code{devpts} filesystem enabled
+and mounted at @file{/dev/pts}, you don't need this program.
 
 After installation you might want to configure the timezone and locale
 installation of your system.  @Theglibc{} comes with a locale