Replace mentions of IOError
diff --git a/Doc/library/gettext.rst b/Doc/library/gettext.rst
index 0fa022c..825311b 100644
--- a/Doc/library/gettext.rst
+++ b/Doc/library/gettext.rst
@@ -185,10 +185,13 @@
translation object from the cache; the actual instance data is still shared with
the cache.
- If no :file:`.mo` file is found, this function raises :exc:`IOError` if
+ If no :file:`.mo` file is found, this function raises :exc:`OSError` if
*fallback* is false (which is the default), and returns a
:class:`NullTranslations` instance if *fallback* is true.
+ .. versionchanged:: 3.3
+ :exc:`IOError` used to be raised instead of :exc:`OSError`.
+
.. function:: install(domain, localedir=None, codeset=None, names=None)
@@ -342,7 +345,7 @@
If the :file:`.mo` file's magic number is invalid, or if other problems occur
while reading the file, instantiating a :class:`GNUTranslations` class can raise
-:exc:`IOError`.
+:exc:`OSError`.
The following methods are overridden from the base class implementation: