diff --git a/searx/settings.yml b/searx/settings.yml
index cfc44d66..b582246c 100644
--- a/searx/settings.yml
+++ b/searx/settings.yml
@@ -941,6 +941,7 @@ engines:
     timeout : 10.0
     disabled : True
 
+# Required dependency: redis
 #  - name : myredis
 #    engine : redis_server
 #    exact_match_only : False