Revised the change log.

Author: hpparvi

CHANGES.rst

@@ -18,15 +18,12 @@ Other changes
 
 New Features
 ^^^^^^^^^^^^
+
 - Added the ``mask_treatment`` parameter to Background, Trace, and Boxcar Extract
   operations to handle non-finite data and boolean masks. Choice of ``filter``,
   ``omit``, or ``zero-fill``. [#216]
 
-API Changes
-^^^^^^^^^^^
 
-New Features
-^^^^^^^^^^^^
 - Added a ``specreduce.utils.align_2d_spectrum_along_trace`` utility function that aligns a
   rectilinear 2D spectrum image along a spectrum trace. The rectification can be done using
   either linear interpolation, giving a sub-pixel shift resolution, or using integer shifts.