--- IO-AIO/AIO.pm	2009/04/19 19:20:10	1.145
+++ IO-AIO/AIO.pm	2009/04/21 20:06:05	1.146
@@ -195,7 +195,7 @@
 use base 'Exporter';
 
 BEGIN {
-   our $VERSION = '3.18';
+   our $VERSION = '3.19';
 
    our @AIO_REQ = qw(aio_sendfile aio_read aio_write aio_open aio_close
                      aio_stat aio_lstat aio_unlink aio_rmdir aio_readdir
@@ -345,6 +345,9 @@
 and calls the callback without the actual number of bytes read (or -1 on
 error, just like the syscall).
 
+C<aio_read> will, like C<sysread>, shrink or grow the C<$data> scalar to
+offset plus the actual number of bytes read.
+
 If C<$offset> is undefined, then the current file descriptor offset will
 be used (and updated), otherwise the file descriptor offset will not be
 changed by these calls.