Docs: more tweaks

Author: edschofield

docs/bytes_object.rst

@@ -15,7 +15,6 @@ which passes most of the Python 3 tests for :mod:`bytes`. (See
 follows::
 
     >>> from future.builtins import bytes
-    
     >>> b = bytes(b'ABCD')
 
 On Py3, this is simply the builtin :class:`bytes` object. On Py2, this

docs/dict_object.rst

@@ -57,8 +57,7 @@ If you already have large native dictionaries, the downside to wrapping them in
 a ``dict`` call is that memory is copied (on both Py3 and with
 ``future.builtins.dict``). For example::
 
-    # Currently, this allocates and then frees a large amount of temporary
-    # memory:
+    # This allocates and then frees a large amount of temporary memory:
     d = dict({i: i**2 for i in range(10**7)})
 
 If dictionary methods like ``values`` and ``items`` are called only once, this

docs/int_object.rst

@@ -31,6 +31,8 @@ that deals with ``long`` and ``int`` as special cases on Py2. An example is the
 following code from ``xlwt-future`` (called by the ``xlwt.antlr.BitSet`` class)
 for writing out Excel ``.xls`` spreadsheets. With ``future``, the code is::
 
+    from future.builtins import int
+
     def longify(data):
         """
         Turns data (an int or long, or a list of ints or longs) into a

docs/isinstance.rst

@@ -52,7 +52,7 @@ However, note that the last test requires that ``unicode_literals`` be imported
     >>> assert isinstance('unicode string 2', str)
 
 This works because the backported types ``int``, ``bytes`` and ``str``
-have metaclasses that override ``__instancecheck__``. See `PEP 3119
+(and others) have metaclasses that override ``__instancecheck__``. See `PEP 3119
 <http://www.python.org/dev/peps/pep-3119/#overloading-isinstance-and-issubclass>`_
 for details.
 

docs/what_else.rst

@@ -10,8 +10,8 @@ compatible code.
 
 .. include:: bytes_object.rst
 .. include:: str_object.rst
-.. include:: int_object.rst
 .. include:: dict_object.rst
+.. include:: int_object.rst
 .. include:: isinstance.rst
 .. include:: open_function.rst
 .. include:: custom_str_methods.rst