Fix doc string in TemplateSpectralModel
As pointed out by Giacomo d'Amico on slack, the arguments are not passed to `scipy.interpolate.interp1d`
@@ -1379,7 +1379,7 @@ class TemplateSpectralModel(SpectralModel):
values : array
Array with the values of the model at energies ``energy``.
interp_kwargs : dict
- Interpolation keyword arguments pass to `scipy.interpolate.interp1d`.
+ Interpolation keyword arguments passed to `scipy.interpolate.RegularGridInterpolator`.
By default all values outside the interpolation range are set to zero.
If you want to apply linear extrapolation you can pass `interp_kwargs={'fill_value':
'extrapolate', 'kind': 'linear'}`. If you want to choose the interpolation
