tree 8b13c3e9f1f9eafac2c621d499c265950b483b7f
parent 4dba7937d5da2d8b13a4c631ddcbe97987827f1e
author David Pursehouse <dpursehouse@collab.net> 1498809740 +0900
committer David Pursehouse <dpursehouse@collab.net> 1498809740 +0900

Reword introduction of public keys

Move the sentence about the Ubuntu public key server into the intro
paragraph.

Mention that the keys are used to sign announcement emails.

Change-Id: I859b6797a07a54b097254649771a28891fe53602