Issue #4129: int -> Py_ssize_t documentation.
diff --git a/Doc/c-api/sequence.rst b/Doc/c-api/sequence.rst
index c934a1d..0b22090 100644
--- a/Doc/c-api/sequence.rst
+++ b/Doc/c-api/sequence.rst
@@ -178,6 +178,10 @@
Return the *i*th element of *o*, assuming that *o* was returned by
:cfunc:`PySequence_Fast`, *o* is not *NULL*, and that *i* is within bounds.
+ .. versionchanged:: 2.5
+ This function used an :ctype:`int` type for *i*. This might require
+ changes in your code for properly supporting 64-bit systems.
+
.. cfunction:: PyObject** PySequence_Fast_ITEMS(PyObject *o)
@@ -200,6 +204,10 @@
.. versionadded:: 2.3
+ .. versionchanged:: 2.5
+ This function used an :ctype:`int` type for *i*. This might require
+ changes in your code for properly supporting 64-bit systems.
+
.. cfunction:: Py_ssize_t PySequence_Fast_GET_SIZE(PyObject *o)