Index: kernel/generic/include/ipc/ipc.h
===================================================================
--- kernel/generic/include/ipc/ipc.h	(revision 9247c02c96737f0e804759e15dc0fda8115de5e1)
+++ kernel/generic/include/ipc/ipc.h	(revision 1a5b2521ea58a25aa1f13d0850fa06ae93fba965)
@@ -98,5 +98,8 @@
 typedef struct {
 	sysarg_t args[IPC_CALL_LEN];
-	/** Task which made or forwarded the call with IPC_FF_ROUTE_FROM_ME. */
+	/**
+	 * Task which made or forwarded the call with IPC_FF_ROUTE_FROM_ME,
+	 * or the task which answered the call.
+	 */
 	task_id_t task_id;
 	/** Phone which made or last masqueraded this call. */