[GODCC][COMMITTED] README.md: update instructions on how to get autoconf

[Jose E. Marchesi]

---
 README.md | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/README.md b/README.md
index 0f42b93..c2e21cf 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@ $ make install
 ```
 
 Next is Automake, which already has supports Algol 68 in its
-development (git) version:
+development (git) version and starting with the 1.18 release:
 
 ```
 $ git clone git://git.savannah.gnu.org/automake.git
@@ -44,13 +44,12 @@ $ ../configure --prefix=$HOME/root-algol68
 $ make && make install
 ```
 
-And finally Autoconf with Algol 68 support, which is not yet upstream
-so we have it in a separated repo:
+And finally Autoconf with Algol 68 support, which is upstream but not
+released yet:
 
 ```
-$ git clone https://git.sr.ht/~jemarch/a68-autoconf
-$ cd a68-autoconf
-$ git fetch origin a68:a68 && git checkout a68
+$ git clone https://git.savannah.gnu.org/autoconf.gif
+$ cd autoconf
 $ mkdir build && cd build/
 $ ../configure --prefix=$HOME/root-algol68
 $ make && make install
-- 
2.30.2