diff --git a/doc/watch.sh b/doc/watch.sh
new file mode 100755
index 0000000..a02fe2c
--- /dev/null
+++ b/doc/watch.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+
+while true; do
+  filename=$(inotifywait -qe close_write . --include '\.md$' --format '%f')
+  markdown < "$filename" > "$(basename "$filename" ".md").html"
+  echo "[$(date)] Updated $filename"
+done