Index: Python/sysmodule.c
===================================================================
--- Python/sysmodule.c	(revision 83869)
+++ Python/sysmodule.c	(working copy)
@@ -866,15 +866,10 @@
 #endif
 
 PyDoc_STRVAR(getframe_doc,
-"_getframe([depth]) -> frameobject\n\
+"_getframe(depth=0) -> frameobject\n\
 \n\
-Return a frame object from the call stack.  If optional integer depth is\n\
-given, return the frame object that many calls below the top of the stack.\n\
-If that is deeper than the call stack, ValueError is raised.  The default\n\
-for depth is zero, returning the frame at the top of the call stack.\n\
-\n\
-This function should be used for internal and specialized\n\
-purposes only."
+Return the frame object depth calls below the top of the stack. If there\n\
+is none, raise ValueError."
 );
 
 static PyObject *
Index: Doc/library/inspect.rst
===================================================================
--- Doc/library/inspect.rst	(revision 83869)
+++ Doc/library/inspect.rst	(working copy)
@@ -534,9 +534,10 @@
    raised.
 
 
-.. function:: currentframe()
+.. function:: currentframe(depth=0)
 
-   Return the frame object for the caller's stack frame.
+   Return the frame object *depth* calls below the top of the stack. If there is 
+   none, raise :exc:`ValueError`.
 
    .. impl-detail::
 
Index: Doc/library/sys.rst
===================================================================
--- Doc/library/sys.rst	(revision 83869)
+++ Doc/library/sys.rst	(working copy)
@@ -378,12 +378,10 @@
    .. versionadded:: 3.2
 
 
-.. function:: _getframe([depth])
+.. function:: _getframe(depth=0)
 
-   Return a frame object from the call stack.  If optional integer *depth* is
-   given, return the frame object that many calls below the top of the stack.  If
-   that is deeper than the call stack, :exc:`ValueError` is raised.  The default
-   for *depth* is zero, returning the frame at the top of the call stack.
+   Return the frame object *depth* calls below the top of the stack. If there is 
+   none, raise :exc:`ValueError`.
 
    .. impl-detail::