diff --git a/contrib/Makefile b/contrib/Makefile
new file mode 100644
index 0000000..aae3178
--- /dev/null
+++ b/contrib/Makefile
@@ -0,0 +1,10 @@
+# Makefile
+
+HTML	:= $(wildcard *.html)
+
+.PHONY: all docs
+
+all: docs
+
+docs: $(HTML)
+	sed -i '/href=/s|\.md|\.html|' $(HTML)