Small correction for the docker documentation (thanks to @kclaes)
Small correction for the docker documentation (thanks to @kclaes)


Former-commit-id: d592128ab54b6bd8db02e6be3a86c5d937e5492a
kermitt2/grobid,kermitt2/grobid,kermitt2/grobid,kermitt2/grobid,kermitt2/grobid,kermitt2/grobid