diff --git a/spectrum/src/sample2.cfg b/spectrum/src/sample2.cfg
index 3f755c00f9956c583d365f850c5cf7e9f3ddce8d..3181a6a1ee29f4170d4f9d7182a983cf43350314 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