--- a/doc/interpreter/install.txi	Sun Mar 15 12:15:50 2009 +0800
+++ b/doc/interpreter/install.txi	Thu Mar 19 20:47:36 2009 -0700
@@ -34,8 +34,9 @@
 Free Software Foundation.
 
 @strong{Note:} This file is automatically generated from
-@file{doc/interpreter/install.txi} in the Octave sources, so to make
-changes to this documentation file, change that source file.
+@file{doc/interpreter/install.txi} in the Octave sources.  To update
+the documentation make changes to the .txi source file rather than this
+derived file.
 
 @node Installation
 @chapter Installing Octave
@@ -157,18 +158,19 @@
 
 @item --without-framework-opengl
 Don't use framework OpenGL headers, libraries and specific source code
-for compilation even if the configure test succeeds. If this option is
+for compilation even if the configure test succeeds.  If this option is
 given then OpenGL headers and libraries in standard system locations are
-tested (the default value is @code{--with-framework-opengl}). This is a
+tested (the default value is @code{--with-framework-opengl}).  This is a
 platform specific configure option for Mac systems.
 
 @item --help
 Print a summary of the options recognized by the configure script.
 @end table
 
-See the file @file{INSTALL} for more information about the command line
-options used by configure.  That file also contains instructions for
-compiling in a directory other than where the source is located.
+See the file @file{INSTALL} for more general information about the 
+command line options used by configure.  That file also contains 
+instructions for compiling in a directory other than where the source 
+is located.
 
 @item
 Run make.
@@ -184,7 +186,7 @@
 any but the most peripheral sense.
 
 To compile Octave, you will need a recent version of GNU Make.  You will
-also need a recent version of @code{g++} or other ANSI C++ compiler. You
+also need a recent version of @code{g++} or other ANSI C++ compiler.  You
 will also need a Fortran 77 compiler or @code{f2c}.  If you use
 @code{f2c}, you will need a script like @code{fort77} that works like a
 normal Fortran compiler by combining @code{f2c} with your C compiler in
@@ -202,7 +204,7 @@
 @url{ftp.gnu.org} is available by anonymous ftp from
 @url{ftp://ftp.gnu.org/pub/gnu/GNUinfo/FTP}.
 
-You will need about 925 megabytes of disk storage to work with when
+You will need about 1 gigabyte of disk storage to work with when
 building Octave from source (considerably less if you don't compile with
 debugging symbols).  To do that, use the command
 
@@ -372,7 +374,7 @@
 @noindent
 to match the prototype declaration for the @code{signal} function.  This
 change should also be made for the @code{SIG_DFL} and @code{SIG_ERR}
-symbols. It may be necessary to change the definitions in
+symbols.  It may be necessary to change the definitions in
 @file{sys/signal.h} as well.
 
 The @code{gcc} @code{fixincludes} and @code{fixproto} scripts should