diff --git a/duniter4j-es-assembly/src/test/es-home/config/elasticsearch.yml b/duniter4j-es-assembly/src/test/es-home/config/elasticsearch.yml
index 689c8b9416cfb495a8f88afbb85fd175dea1d92d..8b55e724058e7062f5071844901155510bbd3dd0 100644
--- a/duniter4j-es-assembly/src/test/es-home/config/elasticsearch.yml
+++ b/duniter4j-es-assembly/src/test/es-home/config/elasticsearch.yml
@@ -210,6 +210,11 @@ duniter.ws.port: 9400
 #
 duniter.subscription.enable: true
 #
+# Opions to DEBUG this features
+#
+#duniter.subscription.email.atStartup: false
+#duniter.subscription.email.debug: false
+#
 # Email subscription: Day of the week to trigger weekly (default: 2 = monday)
 #
 #duniter.subscription.email.dayOfWeek: 2