Add an cross-reference.

* doc/lispref/os.texi (Command-Line Arguments): Add cross-reference
  for `dump-emacs'.

2 files changed, 5 insertions, 3 deletions

diff --git a/doc/lispref/ChangeLog b/doc/lispref/ChangeLog
index d3b71ed8cc1..94f3bb594bd 100644
--- a/doc/lispref/ChangeLog
+++ b/doc/lispref/ChangeLog
@@ -2,6 +2,7 @@
 
         * os.texi (Startup Summary): Add an index about startup screen.
         Typo fix.
+        (Command-Line Arguments): Add cross-reference for `dump-emacs'.
 
 2013-11-08  Eli Zaretskii  <eliz@gnu.org>
 
diff --git a/doc/lispref/os.texi b/doc/lispref/os.texi
index c96a3af3c36..ae1d2f4d0e2 100644
--- a/doc/lispref/os.texi
+++ b/doc/lispref/os.texi
@@ -517,9 +517,10 @@ displays the startup messages.
 The value of this variable is @code{t} once the command line has been
 processed.
 
-If you redump Emacs by calling @code{dump-emacs}, you may wish to set
-this variable to @code{nil} first in order to cause the new dumped Emacs
-to process its new command-line arguments.
+If you redump Emacs by calling @code{dump-emacs} (@pxref{Building
+Emacs}), you may wish to set this variable to @code{nil} first in
+order to cause the new dumped Emacs to process its new command-line
+arguments.
 @end defvar
 
 @defvar command-switch-alist