Closes #22525: clarify documentation for ast.literal_eval().
diff --git a/Doc/library/ast.rst b/Doc/library/ast.rst
index daf28de..1ee5110 100644
--- a/Doc/library/ast.rst
+++ b/Doc/library/ast.rst
@@ -115,13 +115,15 @@
.. function:: literal_eval(node_or_string)
- Safely evaluate an expression node or a string containing a Python
- expression. The string or node provided may only consist of the following
- Python literal structures: strings, bytes, numbers, tuples, lists, dicts,
- sets, booleans, and ``None``.
+ Safely evaluate an expression node or a string containing a Python literal or
+ container display. The string or node provided may only consist of the
+ following Python literal structures: strings, bytes, numbers, tuples, lists,
+ dicts, sets, booleans, and ``None``.
- This can be used for safely evaluating strings containing Python expressions
- from untrusted sources without the need to parse the values oneself.
+ This can be used for safely evaluating strings containing Python values from
+ untrusted sources without the need to parse the values oneself. It is not
+ capable of evaluating arbitrarily complex expressions, for example involving
+ operators or indexing.
.. versionchanged:: 3.2
Now allows bytes and set literals.