bpo-41802: Document 'PyDict_DelItem' can raise a 'KeyError' (GH-22291)
diff --git a/Doc/c-api/dict.rst b/Doc/c-api/dict.rst
index 7694841..8e0d684 100644
--- a/Doc/c-api/dict.rst
+++ b/Doc/c-api/dict.rst
@@ -81,14 +81,16 @@
.. c:function:: int PyDict_DelItem(PyObject *p, PyObject *key)
Remove the entry in dictionary *p* with key *key*. *key* must be hashable;
- if it isn't, :exc:`TypeError` is raised. Return ``0`` on success or ``-1``
- on failure.
+ if it isn't, :exc:`TypeError` is raised.
+ If *key* is not in the dictionary, :exc:`KeyError` is raised.
+ Return ``0`` on success or ``-1`` on failure.
.. c:function:: int PyDict_DelItemString(PyObject *p, const char *key)
- Remove the entry in dictionary *p* which has a key specified by the string
- *key*. Return ``0`` on success or ``-1`` on failure.
+ Remove the entry in dictionary *p* which has a key specified by the string *key*.
+ If *key* is not in the dictionary, :exc:`KeyError` is raised.
+ Return ``0`` on success or ``-1`` on failure.
.. c:function:: PyObject* PyDict_GetItem(PyObject *p, PyObject *key)