DOC: change groupby ref description

Author: jklymak

xarray/core/dataarray.py

@@ -6249,7 +6249,7 @@ def groupby(
 
         See Also
         --------
-        :ref:`groupby`
+        :ref:`Users guide: group and bin data <groupby>`
         DataArray.groupby_bins
         Dataset.groupby
         core.groupby.DataArrayGroupBy
@@ -6329,7 +6329,7 @@ def groupby_bins(
 
         See Also
         --------
-        :ref:`groupby`
+        :ref:`Users guide: group and bin data <groupby>`
         DataArray.groupby
         Dataset.groupby_bins
         core.groupby.DataArrayGroupBy

xarray/core/dataset.py

@@ -8933,7 +8933,7 @@ def groupby(
 
         See Also
         --------
-        :ref:`groupby`
+        :ref:`Users guide: group and bin data <groupby>`
         Dataset.groupby_bins
         DataArray.groupby
         core.groupby.DatasetGroupBy
@@ -9015,7 +9015,7 @@ def groupby_bins(
 
         See Also
         --------
-        :ref:`groupby`
+        :ref:`Users guide: group and bin data <groupby>`
         Dataset.groupby
         DataArray.groupby_bins
         core.groupby.DatasetGroupBy