[GRASS-user] i.vi (ndvi and sentinel)

Hi,

i.vi manual [1] shows how to compute NDVI from Sentinel-2:

"""
Satellite specific band numbers ([NIR, Red]):
...
  Sentinel-2 Bands = [ 5, 4]
"""

But [1] speaks about 4th and 8th band. Is it a bug in i.vi manual?
Thanks for clarification. Martin

[1] https://grass.osgeo.org/grass72/manuals/i.vi.html#vegetation-indices
[2] https://sentinel.esa.int/web/sentinel/technical-guides/sentinel-2-msi/level-2a/algorithm

--
Martin Landa
http://geo.fsv.cvut.cz/gwiki/Landa
http://gismentors.cz/mentors/landa