Consistency check for versionadded/changed directives.
diff --git a/Doc/library/itertools.rst b/Doc/library/itertools.rst
index cadd0f3..149c71e 100644
--- a/Doc/library/itertools.rst
+++ b/Doc/library/itertools.rst
@@ -207,6 +207,7 @@
.. versionadded:: 3.1
+
.. function:: compress(data, selectors)
Make an iterator that filters elements from *data* returning only those that
@@ -240,7 +241,7 @@
for i in count())``.
.. versionchanged:: 3.1
- added *step* argument and allowed non-integer arguments.
+ Added *step* argument and allowed non-integer arguments.
.. function:: cycle(iterable)