If you want to set a spellcheck dictionary for the running session, type
Code:
:set spellcheck.languages ['en-US']
:set spellcheck.languages ['en-US', 'de-DE']
:set spellcheck.languages ['en-US', 'de-DE', 'fr-FR']
for only one or several languages at once.
To persist these settings, open
config.py and add something like:
Code:
# Spellcheck
config.set('spellcheck.languages', ["en-US", "fr-FR", "de-DE"])
Found...