Minor fixups in alerting guidelines.

content/docs/practices/alerting.md

@@ -8,9 +8,8 @@ sort_rank: 4
 We recommend that you read [My Philosophy on Alerting](https://docs.google.com/a/boxever.com/document/d/199PqyG3UsyXlwieHaqbGiWVa8eMWi8zzAn0YfcApr8Q/edit)
 based on Rob Ewaschuk's observations at Google.
 
-To summarize, keep alerting simple, alert on symptoms, have good consoles
-to allow pinpointing causes and avoid having pages where there is nothing to
-do.
+To summarize: keep alerting simple, alert on symptoms, have good consoles to
+allow pinpointing causes, and avoid having pages where there is nothing to do.
 
 ## What to alert on