diff --git a/salt/elasticsearch/init.sls b/salt/elasticsearch/init.sls
index 017c135d2..84de1fd0b 100644
--- a/salt/elasticsearch/init.sls
+++ b/salt/elasticsearch/init.sls
@@ -37,6 +37,7 @@
 {% set TEMPLATES = salt['pillar.get']('elasticsearch:templates', {}) %}
 {% from 'elasticsearch/auth.map.jinja' import ELASTICAUTH with context %}
 
+# used in this state to control who can run the so-users script
 {% set ES_INCLUDED_NODES = ['so-standalone'] %}
 
 vm.max_map_count: