diff --git a/pandas/core/arrays/datetimelike.py b/pandas/core/arrays/datetimelike.py index a25a698856747..5164c97479376 100644 --- a/pandas/core/arrays/datetimelike.py +++ b/pandas/core/arrays/datetimelike.py @@ -1779,7 +1779,7 @@ def strftime(self, date_format: str) -> npt.NDArray[np.object_]: Parameters ---------- freq : str or Offset - The frequency level to {op} the index to. Must be a fixed + The frequency level to {op} the index to must be a fixed frequency like 's' (second) not 'ME' (month end). See :ref:`frequency aliases ` for a list of possible `freq` values.