X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/c8d3a25c0981020e1b8aa3bf96a4a0059be82431..b33dcadbc2bf13079309b2afbeaad6732796bd0a:/README

diff --git a/README b/README
index 4e1a4c4556..de4ee24fc5 100644
--- a/README
+++ b/README
@@ -37,12 +37,12 @@ oddities of your processor and operating system.  It creates the file
 process of building and installing Emacs.  See INSTALL for more
 detailed information.
 
-The file `configure.in' is the input used by the autoconf program to
+The file `configure.ac' is the input used by the autoconf program to
 construct the `configure' script.  Since Emacs has some configuration
 requirements that autoconf can't meet directly, and for historical
-reasons, `configure.in' uses an unholy marriage of custom-baked
+reasons, `configure.ac' uses an unholy marriage of custom-baked
 configuration code and autoconf macros.  If you want to rebuild
-`configure' from `configure.in', you will need to install a recent
+`configure' from `configure.ac', you will need to install a recent
 version of autoconf and GNU m4.
 
 The file `Makefile.in' is a template used by `configure' to create