docstring

Author: max-sixty

doc/whats-new.rst

@@ -45,7 +45,7 @@ New Features
   ``xarray.set_options(display_style="text")``.
   By `Julia Signell <https://github.com/jsignell>`_.
 - An ellipsis (``...``) is now supported in the ``dims`` argument of
-  :py:meth:`Dataset.stack` and :py:meth:`DataArray.stack` to mean all
+  :py:meth:`Dataset.stack` and :py:meth:`DataArray.stack`, meaning
   dimensions, similar to its meaning in :py:meth:`DataArray.transpose`
   (:pull:`3826`)
   By `Maximilian Roos <https://github.com/max-sixty>`_