diff --git a/later/task.py b/later/task.py
index f1b56d2..d638a9a 100644
--- a/later/task.py
+++ b/later/task.py
@@ -153,7 +153,6 @@ class WatcherError(RuntimeError):
     pass
 
 
-# pyre-fixme[13]: Attribute `loop` is never initialized.
 class Watcher:
     _tasks: Dict[asyncio.Future, Optional[FixerType]]
     _scheduled: List[FixerType]
@@ -162,6 +161,7 @@ class Watcher:
     _cancel_timeout: float
     _preexit_callbacks: List[Callable[[], None]]
     _shielded_tasks: Dict[asyncio.Task, asyncio.Future]
+    # pyre-fixme[13]: Attribute `loop` is never initialized.
     loop: asyncio.AbstractEventLoop
     running: bool
     done_ok: bool
diff --git a/later/unittest/case.py b/later/unittest/case.py
index 9bf087d..b306243 100644
--- a/later/unittest/case.py
+++ b/later/unittest/case.py
@@ -102,6 +102,8 @@ def exception(self) -> BaseException | None:
             self._mark_managed()
         return super().exception()
 
+    # pyre-fixme[14]: `add_done_callback` overrides method defined in `Future`
+    #  inconsistently.
     def add_done_callback(
         self, fn: Callable[[asyncio.Task], None], *, context: Context | None = None
     ) -> None: