diff --git a/Doc/library/functions.rst b/Doc/library/functions.rst
index 6741db7..75bab9e 100644
--- a/Doc/library/functions.rst
+++ b/Doc/library/functions.rst
@@ -328,7 +328,7 @@
    This function can also be used to execute arbitrary code objects (such as
    those created by :func:`compile`).  In this case pass a code object instead
    of a string.  If the code object has been compiled with ``'exec'`` as the
-   *kind* argument, :func:`eval`\'s return value will be ``None``.
+   *mode* argument, :func:`eval`\'s return value will be ``None``.
 
    Hints: dynamic execution of statements is supported by the :func:`exec`
    function.  The :func:`globals` and :func:`locals` functions
@@ -1008,7 +1008,8 @@
    Has two optional arguments which must be specified as keyword arguments.
 
    *key* specifies a function of one argument that is used to extract a comparison
-   key from each list element: ``key=str.lower``.  The default value is ``None``.
+   key from each list element: ``key=str.lower``.  The default value is ``None``
+   (compare the elements directly).
 
    *reverse* is a boolean value.  If set to ``True``, then the list elements are
    sorted as if each comparison were reversed.
diff --git a/Doc/library/index.rst b/Doc/library/index.rst
index aa582de..39e0c20 100644
--- a/Doc/library/index.rst
+++ b/Doc/library/index.rst
@@ -43,7 +43,6 @@
    intro.rst
    functions.rst
    constants.rst
-   objects.rst
    stdtypes.rst
    exceptions.rst
 
diff --git a/Doc/library/objects.rst b/Doc/library/objects.rst
deleted file mode 100644
index 1b75161..0000000
--- a/Doc/library/objects.rst
+++ /dev/null
@@ -1,27 +0,0 @@
-
-.. _builtin:
-
-****************
-Built-in Objects
-****************
-
-.. index::
-   pair: built-in; types
-   pair: built-in; exceptions
-   pair: built-in; functions
-   pair: built-in; constants
-   single: symbol table
-
-Names for built-in exceptions and functions and a number of constants are found
-in a separate  symbol table.  This table is searched last when the interpreter
-looks up the meaning of a name, so local and global user-defined names can
-override built-in names.  Built-in types are described together here for easy
-reference.
-
-The tables in this chapter document the priorities of operators by listing them
-in order of ascending priority (within a table) and grouping operators that have
-the same priority in the same box. Binary operators of the same priority group
-from left to right. (Unary operators group from right to left, but there you
-have no real choice.)  See :ref:`operator-summary` for the complete picture on
-operator priorities.
-
diff --git a/Doc/library/pdb.rst b/Doc/library/pdb.rst
index bfeaa04..47a11ed 100644
--- a/Doc/library/pdb.rst
+++ b/Doc/library/pdb.rst
@@ -22,7 +22,7 @@
 
 The debugger is extensible --- it is actually defined as the class :class:`Pdb`.
 This is currently undocumented but easily understood by reading the source.  The
-extension interface uses the modules :mod:`bdb` (undocumented) and :mod:`cmd`.
+extension interface uses the modules :mod:`bdb` and :mod:`cmd`.
 
 The debugger's prompt is ``(Pdb)``. Typical usage to run a program under control
 of the debugger is::
diff --git a/Doc/library/stdtypes.rst b/Doc/library/stdtypes.rst
index f4f2ff6..6f82d6a 100644
--- a/Doc/library/stdtypes.rst
+++ b/Doc/library/stdtypes.rst
@@ -920,12 +920,12 @@
 
 .. method:: str.format(*args, **kwargs)
 
-   Perform a string formatting operation.  The *format_string* argument can
-   contain literal text or replacement fields delimited by braces ``{}``.  Each
-   replacement field contains either the numeric index of a positional argument,
-   or the name of a keyword argument.  Returns a copy of *format_string* where
-   each replacement field is replaced with the string value of the corresponding
-   argument.
+   Perform a string formatting operation.  The string on which this method is
+   called can contain literal text or replacement fields delimited by braces
+   ``{}``.  Each replacement field contains either the numeric index of a
+   positional argument, or the name of a keyword argument.  Returns a copy of
+   the string where each replacement field is replaced with the string value of
+   the corresponding argument.
 
       >>> "The sum of 1 + 2 is {0}".format(1+2)
       'The sum of 1 + 2 is 3'