diff --git a/docs/examples.ipynb b/docs/examples.ipynb
index c852be0..28c9266 100644
--- a/docs/examples.ipynb
+++ b/docs/examples.ipynb
@@ -5,7 +5,7 @@
    "metadata": {},
    "source": [
     "# Examples\n",
-    "## mutlimethod\n",
+    "## multimethod\n",
     "Multimethods are a mapping of signatures (tuple of types) to functions.  They maintain an efficient dispatch tree, and cache the called signatures."
    ]
   },
@@ -68,18 +68,18 @@
     "\n",
     "\n",
     "@multimethod\n",
-    "def chunks(values: Iterable, size):\n",
+    "def batched(values: Iterable, size):\n",
     "    it = iter(values)\n",
     "    return iter(lambda: list(itertools.islice(it, size)), [])\n",
     "\n",
     "\n",
     "@multimethod\n",
-    "def chunks(values: Sequence, size):\n",
+    "def batched(values: Sequence, size):\n",
     "    for index in range(0, len(values), size):\n",
     "        yield values[index : index + size]\n",
     "\n",
     "\n",
-    "list(chunks(iter('abcde'), 3))"
+    "list(batched(iter('abcde'), 3))"
    ]
   },
   {
@@ -88,7 +88,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "list(chunks('abcde', 3))"
+    "list(batched('abcde', 3))"
    ]
   },
   {
@@ -241,7 +241,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.12.1"
+   "version": "3.12.3"
   }
  },
  "nbformat": 4,
diff --git a/multimethod/__init__.py b/multimethod/__init__.py
index e116f6a..3092425 100644
--- a/multimethod/__init__.py
+++ b/multimethod/__init__.py
@@ -400,7 +400,7 @@ class multidispatch(multimethod, dict[tuple[type, ...], Callable[..., RETURN]]):
     signature: Optional[inspect.Signature]
 
     def __new__(cls, func: Callable[..., RETURN]) -> "multidispatch[RETURN]":
-        return functools.update_wrapper(dict.__new__(cls), func)
+        return functools.update_wrapper(dict.__new__(cls), func)  # type: ignore
 
     def __init__(self, func: Callable[..., RETURN]) -> None:
         self.pending = set()