Confirmed the net change to the manpages:
```
% git diff d97e44784bb5a510b7af7593c86cfbcff73855c4^.. aio_*
diff --git a/lib/libsys/aio_read.2 b/lib/libsys/aio_read.2
index 3a9601754c06..f7d8cdfd71b1 100644
--- a/lib/libsys/aio_read.2
+++ b/lib/libsys/aio_read.2
@@ -263,7 +263,9 @@ The
.Fn aio_read2
and
.Fn aio_readv
-system calls are FreeBSD extensions,
+system calls are
+.Fx
+extensions,
and should not be used in portable code.
.Sh HISTORY
The
diff --git a/lib/libsys/aio_waitcomplete.2 b/lib/libsys/aio_waitcomplete.2
index 1f20eca942ab..f14e05abaaf0 100644
--- a/lib/libsys/aio_waitcomplete.2
+++ b/lib/libsys/aio_waitcomplete.2
@@ -91,8 +91,6 @@ The
.Fn aio_waitcomplete
system call fails if:
.Bl -tag -width Er
-.It Bq Er EINVAL
-The specified time limit is invalid.
.It Bq Er EAGAIN
The process has not yet called
.Fn aio_read
@@ -101,6 +99,8 @@ or
.It Bq Er EINTR
A signal was delivered before the timeout expired and before any
asynchronous I/O requests completed.
+.It Bq Er EINVAL
+The specified time limit is invalid.
.It Bq Er EWOULDBLOCK
.It Bq Er EINPROGRESS
The specified time limit expired before any asynchronous I/O requests
diff --git a/lib/libsys/aio_write.2 b/lib/libsys/aio_write.2
index f59406b8ab36..875b24fa160a 100644
--- a/lib/libsys/aio_write.2
+++ b/lib/libsys/aio_write.2
@@ -265,7 +265,9 @@ The
.Fn aio_write2
and
.Fn aio_writev
-system calls are FreeBSD extensions,
+system calls are
+.Fx
+extensions,
and should not be used in portable code.
.Sh HISTORY
The
```
I never bumped `.Dd` since I got distracted earlier with other work...