diff --git a/configuration/settings.ini b/configuration/settings.ini
index c5838f1..9e3cc42 100644
--- a/configuration/settings.ini
+++ b/configuration/settings.ini
@@ -62,6 +62,7 @@ template_storage = filesystem
 
 
 [ssl]
+# only if web_engine=="flask"
 ssl = 0
 priv_key = ./configuration/server.key
 cert = ./configuration/server.crt
diff --git a/configuration/settings_default.ini b/configuration/settings_default.ini
index 0211f0e..bea05d1 100644
--- a/configuration/settings_default.ini
+++ b/configuration/settings_default.ini
@@ -63,6 +63,7 @@ poc_storage = filesystem
 template_storage = filesystem
 
 [ssl]
+# only if web_engine=="flask"
 ssl = 0
 priv_key = ./configuration/server.key
 cert = ./configuration/server.crt