diff --git a/commafeed-server/config.dev.yml b/commafeed-server/config.dev.yml
index ac585db3..a27ed025 100644
--- a/commafeed-server/config.dev.yml
+++ b/commafeed-server/config.dev.yml
@@ -81,6 +81,10 @@ app:
 
 # Database connection
 # -------------------  
+# for MariaDB
+# driverClass is org.mariadb.jdbc.Driver
+# url is jdbc:mariadb://localhost/commafeed?autoReconnect=true&failOverReadOnly=false&maxReconnects=20&rewriteBatchedStatements=true
+#
 # for MySQL
 # driverClass is com.mysql.cj.jdbc.Driver
 # url is jdbc:mysql://localhost/commafeed?autoReconnect=true&failOverReadOnly=false&maxReconnects=20&rewriteBatchedStatements=true
diff --git a/commafeed-server/src/test/resources/config.test.yml b/commafeed-server/src/test/resources/config.test.yml
index 66e458c7..2d880cde 100644
--- a/commafeed-server/src/test/resources/config.test.yml
+++ b/commafeed-server/src/test/resources/config.test.yml
@@ -80,7 +80,11 @@ app:
   userAgent:
 
 # Database connection
-# -------------------  
+# -------------------
+# for MariaDB
+# driverClass is org.mariadb.jdbc.Driver
+# url is jdbc:mariadb://localhost/commafeed?autoReconnect=true&failOverReadOnly=false&maxReconnects=20&rewriteBatchedStatements=true
+#
 # for MySQL
 # driverClass is com.mysql.cj.jdbc.Driver
 # url is jdbc:mysql://localhost/commafeed?autoReconnect=true&failOverReadOnly=false&maxReconnects=20&rewriteBatchedStatements=true