Fix hints in script header.

bbb-apply-config.yml

@@ -2,7 +2,13 @@
 #
 # For the local host, use it (as root) like:
 #
-#   ansible-playbook --connection=local -i 127.0.0.1, path/to/bbb-apply-config.yml
+#   ansible-playbook --connection=local \
+#                    -i /root/bbb-dc-ansible/hosts.local \
+#                    path/to/bbb-apply-config.yml
+#
+# Fron remote you can run it like this:
+#
+#   ansible-playbook -i hosts bbb-apply-config.yml
 #
 - name: Apply local BBB configuration
   hosts: bigbluebutton