diff --git a/Doc/library/sys.rst b/Doc/library/sys.rst
index 4afef5a30be..80f4cd7260c 100644
--- a/Doc/library/sys.rst
+++ b/Doc/library/sys.rst
@@ -95,6 +95,17 @@ always available.
    customized by assigning another one-argument function to ``sys.displayhook``.
 
 
+.. data:: dont_write_bytecode
+
+   If this is true, Python won't try to write ``.pyc`` or ``.pyo`` files on the
+   import of source modules.  This value is initially set to ``True`` or
+   ``False`` depending on the :option:`-B` command line option and the
+   :envvar:`PYTHONDONTWRITEBYTECODE` environment variable, but you can set it
+   yourself to control bytecode file generation.
+
+   .. versionadded:: 2.6
+
+
 .. function:: excepthook(type, value, traceback)
 
    This function prints out a given traceback and exception to ``sys.stderr``.
@@ -196,10 +207,10 @@ always available.
    Python files are installed; by default, this is also ``'/usr/local'``.  This can
    be set at build time with the ``--exec-prefix`` argument to the
    :program:`configure` script.  Specifically, all configuration files (e.g. the
-   :file:`pyconfig.h` header file) are installed in the directory ``exec_prefix +
-   '/lib/pythonversion/config'``, and shared library modules are installed in
-   ``exec_prefix + '/lib/pythonversion/lib-dynload'``, where *version* is equal to
-   ``version[:3]``.
+   :file:`pyconfig.h` header file) are installed in the directory
+   :file:`{exec_prefix}/lib/python{X.Y}/config', and shared library modules are
+   installed in :file:`{exec_prefix}/lib/python{X.Y}/lib-dynload`, where *X.Y*
+   is the version number of Python, for example ``2.7``.
 
 
 .. data:: executable
@@ -755,10 +766,10 @@ always available.
    independent Python files are installed; by default, this is the string
    ``'/usr/local'``.  This can be set at build time with the ``--prefix``
    argument to the :program:`configure` script.  The main collection of Python
-   library modules is installed in the directory ``prefix + '/lib/pythonversion'``
+   library modules is installed in the directory :file:`{prefix}/lib/python{X.Y}``
    while the platform independent header files (all except :file:`pyconfig.h`) are
-   stored in ``prefix + '/include/pythonversion'``, where *version* is equal to
-   ``version[:3]``.
+   stored in :file:`{prefix}/include/python{X.Y}``, where *X.Y* is the version
+   number of Python, for example ``2.7``.
 
 
 .. data:: ps1
@@ -786,17 +797,6 @@ always available.
    .. versionadded:: 2.6
 
 
-.. data:: dont_write_bytecode
-
-   If this is true, Python won't try to write ``.pyc`` or ``.pyo`` files on the
-   import of source modules.  This value is initially set to ``True`` or ``False``
-   depending on the ``-B`` command line option and the ``PYTHONDONTWRITEBYTECODE``
-   environment variable, but you can set it yourself to control bytecode file
-   generation.
-
-   .. versionadded:: 2.6
-
-
 .. function:: setcheckinterval(interval)
 
    Set the interpreter's "check interval".  This integer value determines how often
diff --git a/Lib/test/test_minidom.py b/Lib/test/test_minidom.py
index ecf05dd2e22..cb1c60cb26a 100644
--- a/Lib/test/test_minidom.py
+++ b/Lib/test/test_minidom.py
@@ -439,7 +439,7 @@ class MinidomTest(unittest.TestCase):
         dom.unlink()
         self.confirm(domstr == str.replace("\n", "\r\n"))
 
-    def test_toPrettyXML_perserves_content_of_text_node(self):
+    def test_toprettyxml_preserves_content_of_text_node(self):
         str = '<A>B</A>'
         dom = parseString(str)
         dom2 = parseString(dom.toprettyxml())