diff --git a/spectrum/src/sample2.cfg b/spectrum/src/sample2.cfg
index d2de8992e91be49a557b36bec924140dfa5a5c6f..d91e2c40b919c749a28a5281e6a254f620ab0926 100644
--- a/spectrum/src/sample2.cfg
+++ b/spectrum/src/sample2.cfg
@@ -73,11 +73,11 @@ backend_config = /etc/spectrum2/backend-logging.cfg
 
 [database]
 # Database backend type
-# "sqlite3", "mysql" or "none" without database backend
+# "sqlite3", "mysql", "pqxx", or "none" without database backend
 type = none
 
 # For SQLite3: Full path to database
-# For MySQL: name of database
+# For MySQL and PostgreSQL: name of database
 # default database = /var/lib/spectrum2/$jid/database.sql
 #database = jabber_transport