Revert "datetimelike array revert changes"

This reverts commit e67ca27.

Author: annika-rudolph

pandas/core/arrays/datetimelike.py

@@ -1797,7 +1797,7 @@ def strftime(self, date_format: str) -> npt.NDArray[np.object_]:
     ----------
     freq : str or Offset
         The frequency level to {op} the index to. Must be a fixed
-        frequency like 's' (second) not 'ME' (month end). See
+        frequency like 'S' (second) not 'ME' (month end). See
         :ref:`frequency aliases <timeseries.offset_aliases>` for
         a list of possible `freq` values.
     ambiguous : 'infer', bool-ndarray, 'NaT', default 'raise'
@@ -1835,11 +1835,6 @@ def strftime(self, date_format: str) -> npt.NDArray[np.object_]:
     ------
     ValueError if the `freq` cannot be converted.
 
-    See Also
-    --------
-    DatetimeIndex.floor : Perform floor operation on the data to the specified `freq`.
-    DatetimeIndex.snap : Snap time stamps to nearest occurring frequency.
-
     Notes
     -----
     If the timestamps have a timezone, {op}ing will take place relative to the