[GODCC][COMMITTED] manual: update autoconf build instructions

[Jose E. Marchesi]

---
 doc/godcc.texi | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/doc/godcc.texi b/doc/godcc.texi
index e7b160e..c82b506 100644
--- a/doc/godcc.texi
+++ b/doc/godcc.texi
@@ -100,13 +100,13 @@ $ ../configure --prefix=$HOME/root-algol68
 $ make && make install
 @end example
 
-Autoconf has Algol 68 support in its development (git) version, which
-will eventually be released as Autoconf 2.73.  In the meanwhile you
-can easily build the development version:
+Autoconf has Algol 68 support starting in version 2.73.  You can build
+that release easily by:
 
 @example
-$ git clone https://git.savannah.gnu.org/git/autoconf.git
-$ cd autoconf
+$ wget https://ftp.gnu.org/gnu/autoconf/autoconf-2.73.tar.gz
+$ tar xzvf autoconf-2.73.tar.gz
+$ cd autoconf-2.73
 $ mkdir build && cd build/
 $ ../configure --prefix=$HOME/root-algol68
 $ make && make install
-- 
2.39.5