diff --git a/conf/glances.conf b/conf/glances.conf
index bf5c50de..aaa3c420 100644
--- a/conf/glances.conf
+++ b/conf/glances.conf
@@ -365,6 +365,9 @@ keyspace=glances
 replication_factor=2
 # If not define, table name is set to host key
 table=localhost
+# If not define, username and password will not be used
+#username=cassandra
+#password=password
 
 [opentsdb]
 # Configuration for the --export opentsdb option