diff --git a/README.html b/README.html
index 591909f..7c71831 100644
--- a/README.html
+++ b/README.html
@@ -34,4 +34,9 @@
are available from the menu.
This model code was supplied by Bill Lytton.
+
+Changelog
+---------
+2022-05: Updated MOD files to contain valid C++ and be compatible with the
+ upcoming versions 8.2 and 9.0 of NEURON.