diff --git a/bitarray/__init__.pyi b/bitarray/__init__.pyi
index 1ab6fabf..c18fcdc8 100644
--- a/bitarray/__init__.pyi
+++ b/bitarray/__init__.pyi
@@ -59,15 +59,15 @@ class bitarray(MutableSequence[Bool]):
     def __getitem__(self, i: int) -> Bool: ...
     @overload
     def __getitem__(self, s: slice) -> bitarray: ...
-    @overload  # type: ignore  # Overrides MutableSequence
+    @overload  # type: ignore[override]
     def __setitem__(self, i: Union[int, slice], o: Bool) -> None: ...
     @overload
     def __setitem__(self, s: slice, o: bitarray) -> None: ...
     def __delitem__(self, i: Union[int, slice]) -> None: ...
 
     def __add__(self, other: bitarray) -> bitarray: ...
-    def __iadd__(self, other: bitarray) -> bitarray: # type: ignore
-        ...  # Overrides MutableSequence
+    def __iadd__(self, other: bitarray) -> bitarray: # type: ignore[override]
+        ...
     def __mul__(self, n: int) -> bitarray: ...
     def __imul__(self, n: int) -> bitarray: ...
     def __rmul__(self, n: int) -> bitarray: ...