diff --git a/docs/terminal/tools.md b/docs/terminal/tools.md
index df3ea9cb66d407516c4e381c22cc1935101c6f2f..9bd8761d9c5f80bff05db5688845f2485b852d7b 100644
--- a/docs/terminal/tools.md
+++ b/docs/terminal/tools.md
@@ -21,3 +21,9 @@ Output to `stdout` and only update when output changes:
 ```sh
 hwatch -b date
 ```
+
+Watch for changes on a website and play a sound on changes:
+
+```sh
+hwatch -A beep.sh -b "curl -I https://example.org | grep '^HTTP'"
+```