Fixing token type in articles/connections/nativesocial/facebook.md
Fixing token type in articles/connections/nativesocial/facebook.md

Co-Authored-By: Jose Luis Diaz <e18c7e371dee84da2e76881a038c6480ec16f8c2@gmail.com>
jeffreylees/docs,auth0/docs,jeffreylees/docs,auth0/docs,auth0/docs,jeffreylees/docs