[CORD-1924]
Documentation followup patch

Change-Id: I4387182ca58fa3fbb6ebda12f94f46e1a847e68f
(cherry picked from commit 144027fe2249450b7a95b2171e0dcf8540703789)
diff --git a/ansible/roles/genconfig/templates/config.yml.j2 b/ansible/roles/genconfig/templates/config.yml.j2
index 646d923..eba0be5 100644
--- a/ansible/roles/genconfig/templates/config.yml.j2
+++ b/ansible/roles/genconfig/templates/config.yml.j2
@@ -1,4 +1,4 @@
-
+---
 {#
 Copyright 2017-present Open Networking Foundation
 
@@ -15,8 +15,6 @@
 limitations under the License.
 #}
 
-
----
 # config.yml - generated from ansible/roles/genconfig/templates/config.yml.j2
 # ** DO NOT EDIT THIS FILE MANUALLY! **
 # Edit the Pod Config (or Scenario) and rerun `make config` to regenerate it