diff --git a/src/rp2_common/pico_aon_timer/include/pico/aon_timer.h b/src/rp2_common/pico_aon_timer/include/pico/aon_timer.h
index 768c79827..b3095d8e0 100644
--- a/src/rp2_common/pico_aon_timer/include/pico/aon_timer.h
+++ b/src/rp2_common/pico_aon_timer/include/pico/aon_timer.h
@@ -239,7 +239,7 @@ aon_timer_alarm_handler_t aon_timer_enable_alarm_calendar(const struct tm *tm, a
 void aon_timer_disable_alarm(void);
 
 /**
- * \brief Disable the currently enabled AON timer alarm if any
+ * \brief Check if the AON timer is running
  * \ingroup pico_aon_timer
  * \return true if the AON timer is running
  */