diff --git a/sys/include/event/timeout.h b/sys/include/event/timeout.h
index 6b2522facc..5280cb268c 100644
--- a/sys/include/event/timeout.h
+++ b/sys/include/event/timeout.h
@@ -91,14 +91,14 @@ void event_timeout_init(event_timeout_t *event_timeout, event_queue_t *queue,
  * @brief   Set a timeout
  *
  * This will make the event as configured in @p event_timeout be triggered
- * after @p timeout microseconds (if using @ref xtimer) or the the @ref
+ * after @p timeout microseconds (if using @ref xtimer) or the @ref
  * ztimer_clock_t ticks.
  *
  * @note: the used event_timeout struct must stay valid until after the timeout
  *        event has been processed!
  *
  * @param[in]   event_timeout   event_timout context object to use
- * @param[in]   timeout         timeout in microseconds ot the ztimer_clock_t
+ * @param[in]   timeout         timeout in microseconds or the ztimer_clock_t
  *                              ticks units
  */
 void event_timeout_set(event_timeout_t *event_timeout, uint32_t timeout);