diff --git a/README.md b/README.md
index c3eadb7..fd17a82 100644
--- a/README.md
+++ b/README.md
@@ -146,8 +146,8 @@ Retention policy:
 
 /etc/cron.daily/btrbk:
 
-    #!/bin/bash
-    /usr/sbin/btrbk -c /etc/btrbk/btrbk-mylaptop.conf run
+    #!/bin/sh
+    exec /usr/sbin/btrbk -q -c /etc/btrbk/btrbk-mylaptop.conf run
 
 
 - This will create snapshots on a daily basis:
@@ -226,8 +226,8 @@ regular basis:
 
 /etc/cron.daily/btrbk:
 
-    #!/bin/bash
-    /usr/sbin/btrbk run
+    #!/bin/sh
+    exec /usr/sbin/btrbk -q run
 
 Note that you can run btrbk more than once a day, e.g. by creating the
 above script in `/etc/cron.hourly/btrbk`, or by calling `sudo btrbk