DOC fix splash-jupyter installation command
DOC fix splash-jupyter installation command

dwdm/splash,pawelmhm/splash,sunu/splash,kmike/splash,kod3r/splash,pawelmhm/splash,pawelmhm/splash,Youwotma/splash,pombredanne/splash,Youwotma/splash,sunu/splash,sunu/splash,pombredanne/splash,pombredanne/splash,kmike/splash,Youwotma/splash,kod3r/splash,kmike/splash,dwdm/splash,dwdm/splash,kod3r/splash