diff --git a/Doc/library/stdtypes.rst b/Doc/library/stdtypes.rst
index c930b876b3ccbf..de3eaa034be20a 100644
--- a/Doc/library/stdtypes.rst
+++ b/Doc/library/stdtypes.rst
@@ -5832,7 +5832,7 @@ The builtin functions :func:`isinstance` and :func:`issubclass` do not accept
    >>> isinstance([1, 2], list[str])
    Traceback (most recent call last):
      File "<stdin>", line 1, in <module>
-   TypeError: isinstance() argument 2 cannot be a parameterized generic
+   TypeError: isinstance() argument 2 cannot be an argumentized generic type
 
 The Python runtime does not enforce :term:`type annotations <annotation>`.
 This extends to generic types and their type parameters. When creating
@@ -6087,7 +6087,7 @@ enables cleaner type hinting syntax compared to subscripting :class:`typing.Unio
       >>> isinstance([1], int | list[int])
       Traceback (most recent call last):
         ...
-      TypeError: isinstance() argument 2 cannot be a parameterized generic
+      TypeError: isinstance() argument 2 cannot be an argumentized generic type
 
 The user-exposed type for the union object can be accessed from
 :class:`typing.Union` and used for :func:`isinstance` checks::
diff --git a/Misc/NEWS.d/next/Core_and_Builtins/2026-03-09-18-40-57.gh-issue-145699.KqOPhy.rst b/Misc/NEWS.d/next/Core_and_Builtins/2026-03-09-18-40-57.gh-issue-145699.KqOPhy.rst
new file mode 100644
index 00000000000000..dd65e7dc27e8e7
--- /dev/null
+++ b/Misc/NEWS.d/next/Core_and_Builtins/2026-03-09-18-40-57.gh-issue-145699.KqOPhy.rst
@@ -0,0 +1 @@
+"parameterized generic" should be "argumentized generic type"
diff --git a/Objects/genericaliasobject.c b/Objects/genericaliasobject.c
index 7aef56cf4e93b8..950d26c6826264 100644
--- a/Objects/genericaliasobject.c
+++ b/Objects/genericaliasobject.c
@@ -753,7 +753,7 @@ static PyObject *
 ga_instancecheck(PyObject *self, PyObject *Py_UNUSED(ignored))
 {
     PyErr_SetString(PyExc_TypeError,
-                    "isinstance() argument 2 cannot be a parameterized generic");
+                    "isinstance() argument 2 cannot be an argumentized generic type");
     return NULL;
 }
 
@@ -761,7 +761,7 @@ static PyObject *
 ga_subclasscheck(PyObject *self, PyObject *Py_UNUSED(ignored))
 {
     PyErr_SetString(PyExc_TypeError,
-                    "issubclass() argument 2 cannot be a parameterized generic");
+                    "issubclass() argument 2 cannot be an argumentized generic type");
     return NULL;
 }