alternate -> alternative.
diff --git a/Doc/tutorial/inputoutput.rst b/Doc/tutorial/inputoutput.rst
index 9c302af..beca1be 100644
--- a/Doc/tutorial/inputoutput.rst
+++ b/Doc/tutorial/inputoutput.rst
@@ -250,7 +250,7 @@
>>> f.readlines()
['This is the first line of the file.\n', 'Second line of the file\n']
-An alternate approach to reading lines is to loop over the file object. This is
+An alternative approach to reading lines is to loop over the file object. This is
memory efficient, fast, and leads to simpler code::
>>> for line in f: