diff --git a/drivers/Watchdog.h b/drivers/Watchdog.h
index 696169df7c..0f91459a03 100644
--- a/drivers/Watchdog.h
+++ b/drivers/Watchdog.h
@@ -40,7 +40,9 @@ namespace mbed {
  * watchdog.start();
  *
  * while (true) {
- *    // Application code
+      // kick watchdog regularly within provided timeout 
+      watchdog.kick();
+      // Application code
  * }
  * @endcode
  *