diff --git a/INSTALL b/INSTALL
index 1b83312c..4c17001f 100644
--- a/INSTALL
+++ b/INSTALL
@@ -23,9 +23,8 @@ ECMAScript (that's JavaScript) support.
   Note that if you obtained the sources directly from GIT, you NEED to run
 ./autogen.sh!  (It should be enough to do it once - however, if you have build
 problems, try running this first.) Also, you obviously need GNU make and
-autoconf installed on your system (note that autoconf-2.13 is supported, newer
-ones may cause problems thanks to the autoconf developers who don't know how to
-maintain backwards compatibility).  Otherwise, you have to use the nightly GIT
+autoconf installed on your system (for the supported versions of autoconf,
+see AC_PREREQ in configure.in).  Otherwise, you have to use the nightly GIT
 snapshot - you don't need to do this there.