Knock notifications copy needs to be explained properly.

[burtonator]

Describe the bug

The 'community alerts' copy is wrong. Mention this to @sachben91 so it's fixed for when we go live.

Initial conditions

Environment:

Branch/Release version:

Browser:

Wallet:

Reproduction steps

Actual behavior

Expected behavior

Screenshots / Video

Reporter

Additional context

[timolegros]

This looks completed on Frack.