It should be more obvious that Twitch IRC: Commands needs the commands capability, Twitch IRC: Tags needs the tags capability, Membership page needs the membership capability.

IE:

Literally add a paragraph at the top to the effect of

The Twitch IRC responses outlined on this page requires the connection to have requested the $whatever capability as outlined on the https://dev.twitch.tv/docs/irc/guide#twitch-irc-capabilities Capabilities section of the guide.