say what attribute you're actually getting

1 files changed, 11 insertions, 4 deletions

diff --git a/documentation/index.rst b/documentation/index.rst
index 0880cad..90f5e6e 100644
--- a/documentation/index.rst
+++ b/documentation/index.rst
@@ -129,22 +129,29 @@ functions and methods is the stdlib :mod:`py3:inspect` module.
 
 .. function:: get_function_closure(func)
 
-   Get the closure (list of cells) associated with *func*.
+   Get the closure (list of cells) associated with *func*.  This is equivalent
+   to ``func.__closure__`` on Python 2.6+ and ``func.func_closure`` on Python
+   2.4 and 2.5.
 
 
 .. function:: get_function_code(func)
 
-   Get the code object associated with *func*.
+   Get the code object associated with *func*.  This is equivalent to
+   ``func.__code__`` on Python 2.6+ and ``func.func_code`` on Python 2.4 and
+   2.5.
 
 
 .. function:: get_function_defaults(func)
 
-   Get the defaults tuple associated with *func*.
+   Get the defaults tuple associated with *func*.  This is equivalent to
+   ``func.__defaults__`` on Python 2.6+ and ``func.func_defaults`` on Python 2.4
+   and 2.5.
 
 
 .. function:: get_function_globals(func)
 
-   Get the globals of *func*.
+   Get the globals of *func*.  This is equivalent to ``func.__globals__`` on
+   Python 2.6+ and ``func.func_globals`` on Python 2.4 and 2.5.
 
 
 .. function:: next(it)