diff -r 1f27572a10ce Doc/library/types.rst
--- a/Doc/library/types.rst	Wed Aug 22 23:34:50 2012 -0700
+++ b/Doc/library/types.rst	Thu Aug 23 03:35:04 2012 -0700
@@ -74,27 +74,38 @@
 
 Standard names are defined for the following types:
 
-.. data:: FunctionType
-          LambdaType
+.. class:: FunctionType(code, globals)
+
+   Create a function object from a code object and a dictionary.
+   The optional name string overrides the name from the code object.
+   The optional argdefs tuple specifiees the default argument values.
+   The optional closure tuple supplies the bindings for free variables.
+
 
    The type of user-defined functions and functions created by
    :keyword:`lambda`  expressions.
 
 
+.. class:: LambdaType(code, globals)
+
 .. data:: GeneratorType
 
    The type of :term:`generator`-iterator objects, produced by calling a
    generator function.
 
 
-.. data:: CodeType
+.. class:: CodeType(argcount, kwonlyargcount, nlocals, stacksize, flags, codestring, constants, names, varnames, filename, name, firstlineno, lnotab)
+
+   Create a code object. Not for the faint of heart.
 
    .. index:: builtin: compile
 
    The type for code objects such as returned by :func:`compile`.
 
 
-.. data:: MethodType
+.. class:: MethodType(function, instance)
+
+   Create a bound instance method object.
 
    The type of methods of user-defined class instances.
 
@@ -146,8 +157,8 @@
 .. class:: MappingProxyType(mapping)
 
    Read-only proxy of a mapping. It provides a dynamic view on the mapping's
-   entries, which means that when the mapping changes, the view reflects these
-   changes.
+   entries, which means that when the mapping changes, the view reflects 
+   these changes.
 
    .. versionadded:: 3.3
 
@@ -196,6 +207,10 @@
 
 .. class:: SimpleNamespace
 
+   A simple attribute-based namespace.
+
+   namespace(**kwargs)
+
    A simple :class:`object` subclass that provides attribute access to its
    namespace, as well as a meaningful repr.