diff --git a/roles/jira_startup/templates/jira.service.j2 b/roles/jira_startup/templates/jira.service.j2
index 728afa1..f9a38ef 100644
--- a/roles/jira_startup/templates/jira.service.j2
+++ b/roles/jira_startup/templates/jira.service.j2
@@ -6,8 +6,10 @@ After=network-online.target
 User={{ atl_product_user }}
 Group={{ atl_product_user }}
 
+# NOTE: Additional environment vars are set in {{ atl_product_installation_target }}/bin/setenv.sh
 Environment=JIRA_HOME="{{ atl_product_home }}"
 Environment=CATALINA_OPTS="{{ atl_catalina_opts }} {{ atl_catalina_opts }}"
+
 ExecStart={{ atl_product_installation_target }}/bin/start-jira.sh -fg
 
 [Install]