-<p>The centre set up a mailing list, and send fairly standardised
-messages to this list when a outage was planned or when it already
-occurred. Here is the two example from the article: First the
-unplanned outage:
+<p>The centre set up a mailing list, and started to send fairly
+standardised messages to this list when a outage was planned or when
+it already occurred, to announce the plan and get feedback on the
+assumtions on scope and user impact. Here is the two example from the
+article: First the unplanned outage: