Fix a couple of versionadded/versionchanged related markup errors.
diff --git a/Doc/library/importlib.rst b/Doc/library/importlib.rst
index 9dc6ed1..4dc1c78 100644
--- a/Doc/library/importlib.rst
+++ b/Doc/library/importlib.rst
@@ -785,8 +785,8 @@
loader should initialize as specified by :pep:`302` as best as possible.
.. versionchanged:: 3.3
- :attr:`__loader__` and :attr:`__package__` are automatically set
- (when possible).
+ :attr:`__loader__` and :attr:`__package__` are automatically set
+ (when possible).
.. decorator:: set_loader