Please choose the relevant facil.io version to read it's documentation:
0.7.x (edge)
0.6.x (stable)
Review the change-log when migrating between versions.
Change Log
Latest (beta): 0.7.0.beta4
Latest stable: 0.6.4
The page you looked for isn't here.
Try the menu.
If the issue persists, please let us know on GitHub.