diff --git a/CHANGELOG.md b/CHANGELOG.md
index 96810a3b..9563415f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,9 @@ Modifications by (in alphabetical order):
 * P. Vitt, University of Siegen, Germany
 * A. Voysey, UK Met Office
 
+14/09/2023 PR #425 for #411. Splits the monolithic Fortran2008.py file
+           into separate classes.
+
 12/09/2023 PR #423 for #403. Adds full support for DO CONCURRENT in F2008
            (fixes bugs in previous implementation).