fix 2.4 version number
diff --git a/index.html b/index.html
index 0b6a358..b34a6fa 100644
--- a/index.html
+++ b/index.html
@@ -129,7 +129,7 @@
Current version <a href="http://www.apache.org/dyn/closer.lua/tcl/rivet">3.1</a>
of Rivet runs on Apache 2.4 and builds on both Windows and
any reasonably recent version of Unix-like operative systems.
- Previous version 2.3 is still supported but builds
+ Version 2.4 is still supported but builds
only on Unix and it requires Apache to run the
<a href="http://httpd.apache.org/docs/2.4/mod/prefork.html">prefork</a> MPM.
</p>
