update recommended autoconf version

diff --git a/INSTALL b/INSTALL
index 582eef8efe4cd3e46d4b61faa920f6c8fc8417d6..d3db6206ca3dadef56f0f3c02ccfbf563a67af57 100644 (file)
--- a/INSTALL
+++ b/INSTALL
@@ -85,7 +85,7 @@ http://nlnetlabs.nl/projects/ldns/
 Autoconf:
 
 If you modify configure.ac or configure doesn't exist (eg if you checked
-the code out of CVS yourself) then you will need autoconf-2.68 to rebuild
+the code out of CVS yourself) then you will need autoconf-2.69 to rebuild
 the automatically generated files by running "autoreconf".  Earlier
 versions may also work but this is not guaranteed.