diff --git a/lib/libc/sys/aio_waitcomplete.2 b/lib/libc/sys/aio_waitcomplete.2
index 2447c9055130..897c6f951b9c 100644
--- a/lib/libc/sys/aio_waitcomplete.2
+++ b/lib/libc/sys/aio_waitcomplete.2
@@ -33,7 +33,7 @@
 .Sh SYNOPSIS
 .Fd #include <aio.h>
 .Ft int
-.Fn aio_waitcomplete "struct aiocb **iocbp, struct timeval *timeout"
+.Fn aio_waitcomplete "struct aiocb **iocbp, struct timespec *timeout"
 .Sh DESCRIPTION
 The
 .Fn aio_waitcomplete