minor modifications to the intro in ES
minor modifications to the intro in ES

jonathanverner/brython,Hasimir/brython,jonathanverner/brython,Hasimir/brython,Hasimir/brython,kikocorreoso/brython,kikocorreoso/brython,brython-dev/brython,jonathanverner/brython,Hasimir/brython,kikocorreoso/brython,jonathanverner/brython,brython-dev/brython,brython-dev/brython