diff --git a/README.org b/README.org
index 945bc0a6..eb4b70c2 100644
--- a/README.org
+++ b/README.org
@@ -3587,7 +3587,8 @@ I'd like to start learning and using rust if I can.
   (setq rustic-format-on-save t
         rustic-lsp-client 'eglot
         rustic-clippy-arguments "-- -W clippy::pedantic -W clippy::perf -W clippy::nursery -W clippy::unwrap_used"
-        rustic-rustfmt-args ""
+        rustic-rustfmt-args "--edition 2021"
+        rust-format-on-save t
         rustic-test-arguments "--benches --tests --all-features -- --nocapture")
   (advice-add 'eglot-completion-at-point :around #'cape-wrap-buster)
   (add-to-list 'compilation-error-regexp-alist rustic-compilation-error)
diff --git a/init.el b/init.el
index 6b58e807..92f8688b 100644
--- a/init.el
+++ b/init.el
@@ -2624,7 +2624,8 @@ targets."
   (setq rustic-format-on-save t
         rustic-lsp-client 'eglot
         rustic-clippy-arguments "-- -W clippy::pedantic -W clippy::perf -W clippy::nursery -W clippy::unwrap_used"
-        rustic-rustfmt-args ""
+        rustic-rustfmt-args "--edition 2021"
+        rust-format-on-save t
         rustic-test-arguments "--benches --tests --all-features -- --nocapture")
   (advice-add 'eglot-completion-at-point :around #'cape-wrap-buster)
   (add-to-list 'compilation-error-regexp-alist rustic-compilation-error)