doxygen: Minor API description fix
diff --git a/task/include/host/mars/task_queue.h b/task/include/host/mars/task_queue.h
index 8304ba3..3678b8a 100644
--- a/task/include/host/mars/task_queue.h
+++ b/task/include/host/mars/task_queue.h
@@ -91,8 +91,8 @@
  * \n	MARS_ERROR_NULL		- null pointer specified
  * \n	MARS_ERROR_PARAMS	- size is not multiple of 16 bytes or is greater
  *				  than 16KB maximum
- * \n	MARS_ERROR_PARAMS	- depth exceeds allowed limit
  * \n	MARS_ERROR_PARAMS	- invalid direction specified
+ * \n	MARS_ERROR_MEMORY	- not enough memory for queue buffer allocation
  */
 int mars_task_queue_create(struct mars_context *mars,
 			   uint64_t *queue_ea,
diff --git a/task/include/mpu/mars/task_barrier.h b/task/include/mpu/mars/task_barrier.h
index dad6b2c..28cb0c0 100644
--- a/task/include/mpu/mars/task_barrier.h
+++ b/task/include/mpu/mars/task_barrier.h
@@ -66,8 +66,8 @@
  * required \ref mars_task_barrier_wait.
  *
  * If all tasks from the previous barrier cycle have not reached the
- * synchronization point and notified the barrier yet, the caller task will
- * enter a waiting state until the previous barrier cycle is released.
+ * synchronization point and notified/waited on the barrier yet, the caller task
+ * will enter a waiting state until the previous barrier cycle is released.
  *
  * \param[in] barrier_ea	- ea of initialized barrier instance
  * \return