diff --git a/Makefile b/Makefile
index 15c7da7..b3f4190 100644
--- a/Makefile
+++ b/Makefile
@@ -34,3 +34,8 @@ dotfiles:
 .PHONY: test
 test:
 	./test-in-docker.sh
+
+.PHONY: fmt
+fmt:
+	git ls-files -z '*.md'   | xargs -0 prettier --print-width 80 --prose-wrap always --write
+	git ls-files -z '*.toml' | xargs -0 taplo format