Apply suggestions from code review

Co-authored-by: David Stansby <[email protected]>

Author: maxrjones

src/zarr/abc/store.py

@@ -85,8 +85,11 @@ async def open(cls, *args: Any, **kwargs: Any) -> Self:
 
     def with_read_only(self, read_only: bool = False) -> Store:
         """
-        Return a new store of the same type pointing to the same location with the specified read_only state.
-        The returned Store is not automatically opened.
+        Return a new store with a new read_only setting.
+        
+        The new store points to the same location with the specified new read_only state.
+        The returned Store is not automatically opened, and this store is
+        not automatically closed.
 
         Parameters
         ----------