Fix markup.
diff --git a/Doc/library/configparser.rst b/Doc/library/configparser.rst
index 9439d0d..6141359 100644
--- a/Doc/library/configparser.rst
+++ b/Doc/library/configparser.rst
@@ -64,7 +64,7 @@
options within a section, and for the default values. This class does not
support the magical interpolation behavior.
- .. versionchanged 3.1
+ .. versionchanged:: 3.1
The default *dict_type* is :class:`collections.OrderedDict`.
@@ -83,7 +83,7 @@
option names to lower case), the values ``foo %(bar)s`` and ``foo %(BAR)s`` are
equivalent.
- .. versionchanged 3.1
+ .. versionchanged:: 3.1
The default *dict_type* is :class:`collections.OrderedDict`.
@@ -96,7 +96,7 @@
.. XXX Need to explain what's safer/more predictable about it.
- .. versionchanged 3.1
+ .. versionchanged:: 3.1
The default *dict_type* is :class:`collections.OrderedDict`.