use 3 space indents
diff --git a/Doc/library/functools.rst b/Doc/library/functools.rst
index 39b0e7b..77e92f8 100644
--- a/Doc/library/functools.rst
+++ b/Doc/library/functools.rst
@@ -17,23 +17,22 @@
.. function:: cmp_to_key(func)
- Transform an old-style comparison function to a key-function. Used with
- tools that accept key functions (such as :func:`sorted`, :func:`min`,
- :func:`max`, :func:`heapq.nlargest`, :func:`heapq.nsmallest`,
- :func:`itertools.groupby`).
- This function is primarily used as a transition tool for programs
- being converted from Py2.x which supported the use of comparison
- functions.
+ Transform an old-style comparison function to a key-function. Used with
+ tools that accept key functions (such as :func:`sorted`, :func:`min`,
+ :func:`max`, :func:`heapq.nlargest`, :func:`heapq.nsmallest`,
+ :func:`itertools.groupby`). This function is primarily used as a transition
+ tool for programs being converted from Py2.x which supported the use of
+ comparison functions.
- A compare function is any callable that accept two arguments, compares
- them, and returns a negative number for less-than, zero for equality,
- or a positive number for greater-than. A key function is a callable
- that accepts one argument and returns another value that indicates
- the position in the desired collation sequence.
+ A compare function is any callable that accept two arguments, compares them,
+ and returns a negative number for less-than, zero for equality, or a positive
+ number for greater-than. A key function is a callable that accepts one
+ argument and returns another value that indicates the position in the desired
+ collation sequence.
- Example::
+ Example::
- sorted(iterable, key=cmp_to_key(locale.strcoll)) # locale-aware sort order
+ sorted(iterable, key=cmp_to_key(locale.strcoll)) # locale-aware sort order
.. versionadded:: 3.2