diff --git a/Doc/howto/doanddont.rst b/Doc/howto/doanddont.rst
index f795ead..f0c688b 100644
--- a/Doc/howto/doanddont.rst
+++ b/Doc/howto/doanddont.rst
@@ -52,10 +52,10 @@
    f.read()
 
 does not work. Of course, it works just fine (assuming you have a file called
-"www".) But it does not work if somewhere in the module, the statement ``from os
-import *`` is present. The :mod:`os` module has a function called :func:`open`
-which returns an integer. While it is very useful, shadowing builtins is one of
-its least useful properties.
+"www".) But it does not work if somewhere in the module, the statement ``from
+os import *`` is present. The :mod:`os` module has a function called
+:func:`open` which returns an integer. While it is very useful, shadowing a
+builtin is one of its least useful properties.
 
 Remember, you can never know for sure what names a module exports, so either
 take what you need --- ``from module import name1, name2``, or keep them in the