fix list formatting

README.md

@@ -8,9 +8,9 @@ To install:
 
 * copy `config.yml.dist` to `config.yml`
 * edit `config.yml` to suit. At a minimum you need:
- * your Slack API key
- * your PagerDuty API key
- * the schedule ID and escalation policy ID that you wish to grab the oncall from (you need both for it to be accurate)
+  * your Slack API key
+  * your PagerDuty API key
+  * the schedule ID and escalation policy ID that you wish to grab the oncall from (you need both for it to be accurate)
 * `virtualenv env`
 * `source env/bin/activate`
 * `pip install -r requirements.txt`