bpo-29662: fix wrong indentation in timeit.Timer's doc  (GH-333)

diff --git a/Doc/library/timeit.rst b/Doc/library/timeit.rst
index 3b77276..5793c54 100644
--- a/Doc/library/timeit.rst
+++ b/Doc/library/timeit.rst
@@ -134,21 +134,21 @@
             timeit.Timer('for i in range(10): oct(i)', 'gc.enable()').timeit()
 
 
-    .. method:: Timer.autorange(callback=None)
+   .. method:: Timer.autorange(callback=None)
 
-       Automatically determine how many times to call :meth:`.timeit`.
+      Automatically determine how many times to call :meth:`.timeit`.
 
-       This is a convenience function that calls :meth:`.timeit` repeatedly
-       so that the total time >= 0.2 second, returning the eventual
-       (number of loops, time taken for that number of loops). It calls
-       :meth:`.timeit` with *number* set to successive powers of ten (10,
-       100, 1000, ...) up to a maximum of one billion, until the time taken
-       is at least 0.2 second, or the maximum is reached.
+      This is a convenience function that calls :meth:`.timeit` repeatedly
+      so that the total time >= 0.2 second, returning the eventual
+      (number of loops, time taken for that number of loops). It calls
+      :meth:`.timeit` with *number* set to successive powers of ten (10,
+      100, 1000, ...) up to a maximum of one billion, until the time taken
+      is at least 0.2 second, or the maximum is reached.
 
-        If *callback* is given and is not ``None``, it will be called after
-        each trial with two arguments: ``callback(number, time_taken)``.
+      If *callback* is given and is not ``None``, it will be called after
+      each trial with two arguments: ``callback(number, time_taken)``.
 
-        .. versionadded:: 3.6
+      .. versionadded:: 3.6
 
 
    .. method:: Timer.repeat(repeat=3, number=1000000)