#4667: fix some 2.x leftovers in the tutorial.
diff --git a/Doc/tutorial/datastructures.rst b/Doc/tutorial/datastructures.rst
index 0661164..ca6de17 100644
--- a/Doc/tutorial/datastructures.rst
+++ b/Doc/tutorial/datastructures.rst
@@ -440,9 +440,9 @@
value associated with that key is forgotten. It is an error to extract a value
using a non-existent key.
-Preforming ``list(d.keys())`` on a dictionary returns a list of all the keys
+Performing ``list(d.keys())`` on a dictionary returns a list of all the keys
used in the dictionary, in arbitrary order (if you want it sorted, just apply
-the :meth:`sort` method to the list of keys). To check whether a single key is
+the :meth:`sorted` function instead). To check whether a single key is
in the dictionary, use the :keyword:`in` keyword.
Here is a small example using a dictionary::
@@ -458,6 +458,8 @@
>>> tel
{'guido': 4127, 'irv': 4127, 'jack': 4098}
>>> list(tel.keys())
+ ['irv', 'guido', 'jack']
+ >>> sorted(tel.keys())
['guido', 'irv', 'jack']
>>> 'guido' in tel
True