Replace mentions of IOError
diff --git a/Doc/library/ossaudiodev.rst b/Doc/library/ossaudiodev.rst
index 0a08428..51c5857 100644
--- a/Doc/library/ossaudiodev.rst
+++ b/Doc/library/ossaudiodev.rst
@@ -38,6 +38,10 @@
    This probably all warrants a footnote or two, but I don't understand
    things well enough right now to write it!   --GPW
 
+.. versionchanged:: 3.3
+   Operations in this module now raise :exc:`OSError` where :exc:`IOError`
+   was raised.
+
 
 .. seealso::
 
@@ -56,7 +60,7 @@
    what went wrong.
 
    (If :mod:`ossaudiodev` receives an error from a system call such as
-   :c:func:`open`, :c:func:`write`, or :c:func:`ioctl`, it raises :exc:`IOError`.
+   :c:func:`open`, :c:func:`write`, or :c:func:`ioctl`, it raises :exc:`OSError`.
    Errors detected directly by :mod:`ossaudiodev` result in :exc:`OSSAudioError`.)
 
    (For backwards compatibility, the exception class is also available as
@@ -168,7 +172,7 @@
 correspondence is obvious: for example, :meth:`setfmt` corresponds to the
 ``SNDCTL_DSP_SETFMT`` ioctl, and :meth:`sync` to ``SNDCTL_DSP_SYNC`` (this can
 be useful when consulting the OSS documentation).  If the underlying
-:func:`ioctl` fails, they all raise :exc:`IOError`.
+:func:`ioctl` fails, they all raise :exc:`OSError`.
 
 
 .. method:: oss_audio_device.nonblock()
@@ -344,7 +348,7 @@
 .. method:: oss_mixer_device.close()
 
    This method closes the open mixer device file.  Any further attempts to use the
-   mixer after this file is closed will raise an :exc:`IOError`.
+   mixer after this file is closed will raise an :exc:`OSError`.
 
 
 .. method:: oss_mixer_device.fileno()
@@ -403,7 +407,7 @@
    returned, but both volumes are the same.
 
    Raises :exc:`OSSAudioError` if an invalid control was is specified, or
-   :exc:`IOError` if an unsupported control is specified.
+   :exc:`OSError` if an unsupported control is specified.
 
 
 .. method:: oss_mixer_device.set(control, (left, right))
@@ -427,7 +431,7 @@
 .. method:: oss_mixer_device.set_recsrc(bitmask)
 
    Call this function to specify a recording source.  Returns a bitmask indicating
-   the new recording source (or sources) if successful; raises :exc:`IOError` if an
+   the new recording source (or sources) if successful; raises :exc:`OSError` if an
    invalid source was specified.  To set the current recording source to the
    microphone input::