Index: uspace/lib/libc/generic/async.c
===================================================================
--- uspace/lib/libc/generic/async.c	(revision b76f2f85ffb6421f653aa078c6a01b7bfd833786)
+++ uspace/lib/libc/generic/async.c	(revision 7918fce8437f1dba2cd4f238080fa7e5d648a549)
@@ -357,9 +357,15 @@
 
 		conn->wdata.active = 0;
+		/*
+		 * Note: the current fibril will be rescheduled either due to a
+		 * timeout or due to an arriving message destined to it. In the
+		 * former case, handle_expired_timeouts() and, in the latter
+		 * case, route_call() will perform the wakeup.
+		 */
 		fibril_schedule_next_adv(FIBRIL_TO_MANAGER);
 		/*
 		 * Futex is up after getting back from async_manager get it
 		 * again.
-		*/
+		 */
 		futex_down(&async_futex);
 		if (usecs && conn->wdata.timedout &&
Index: uspace/lib/libc/generic/fibril.c
===================================================================
--- uspace/lib/libc/generic/fibril.c	(revision b76f2f85ffb6421f653aa078c6a01b7bfd833786)
+++ uspace/lib/libc/generic/fibril.c	(revision 7918fce8437f1dba2cd4f238080fa7e5d648a549)
@@ -255,5 +255,6 @@
 /** Add a fibril to the ready list.
  *
- * @param fid		Pinter to the fibril structure of the fibril to be added.
+ * @param fid		Pinter to the fibril structure of the fibril to be
+ *			added.
  */
 void fibril_add_ready(fid_t fid)