diff --git a/README.org b/README.org
index b54c692..4eea922 100644
--- a/README.org
+++ b/README.org
@@ -672,6 +672,7 @@ For reference information, see [[https://orgmode.com][Org-mode website]]
            ("C-c c r" . eglot-rename))
     :hook ((nix-mode
             fortran-mode
+            f90-mode
             shell-script-mode
             lua-mode
             python-mode