Correct reno list formatting

This commit formats lists correctly in patrole renos which are
currently incorrectly formatted [0].

[0] https://docs.openstack.org/releasenotes/patrole/unreleased.html

Change-Id: I66a78c97d8e1e047ddfc24f8d6e86967335c2472
diff --git a/releasenotes/notes/dhcp-agent-scheduler-test-842fc1df45799def.yaml b/releasenotes/notes/dhcp-agent-scheduler-test-842fc1df45799def.yaml
index 1afe82b..0a422e6 100644
--- a/releasenotes/notes/dhcp-agent-scheduler-test-842fc1df45799def.yaml
+++ b/releasenotes/notes/dhcp-agent-scheduler-test-842fc1df45799def.yaml
@@ -2,5 +2,4 @@
 features:
   - |
     Added RBAC network test for listing dhcp agents on a hosting
-    network, providing coverage for the following Neutron policy action:
-    * "get_dhcp-agents"
+    network, providing coverage for the "get_dhcp-agents" policy.