Docs: Fix mistaken reference to defaulting to mariadb 10.2 [skip ci][…

…ci skip]

docs/users/extend/config_yaml.md

@@ -16,7 +16,7 @@ the .ddev/config.yaml is the primary configuration for the project.
 | webimage | docker image to use for webserver | It is unusual to change the default and is not recommended, but the webimage can be overridden with a correctly crafted image, probably derived from drud/ddev-webserver |
 | dbimage | docker image to use for db server | It is unusual to change the default and is not recommended, but the dbimage can be overridden with a correctly crafted image, probably derived from drud/ddev-dbserver |
 | dbaimage | docker image to use for dba server (phpMyAdmin server) | It is unusual to change the default and is not recommended, but the dbimage can be overridden with a correctly crafted image, probably derived from drud/phpmyadmin |
-| mariadb_version | Version of MariaDB to be used |  Defaults to 10.2, but 5.5, 10.0, 10.1, 10.2, 10.3, 10.4, 10.5 are available. Cannot be used with mysql_version. See [Database Server Types](database_types.md) for details and caveats. |
+| mariadb_version | Version of MariaDB to be used |  Defaults to 10.3, but 5.5, 10.0, 10.1, 10.2, 10.3, 10.4, 10.5 are available. Cannot be used with mysql_version. See [Database Server Types](database_types.md) for details and caveats. |
 | mysql_version | Version of Oracle MySQL to be used |  Defaults to empty (using MariaDB). 5.5, 5.6, 5.7, and 8.0 are available. Conflicts with mariadb_version. See [Database Server Types](database_types.md) for details and caveats. |
 | router_http_port | Port used by the router for http |  Defaults to port 80. This can be changed if there is a conflict on the host over port 80 |
 | router_https_port | Port used by the router for https |Defaults to 443, usually only changed if there is a conflicting process using port 443 |