diff --git a/README.md b/README.md
index 27bd8cd..c702fa6 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,14 @@
 # sqlquery
 A dokuwiki plugin for processing query to MySQL databases and display results as a table.
 
+This is a improved version which cann connect to different hosts
+and databases. The default host and database is set in the plugin
+configuration.
+Different hosts and databases can be set inside the tag:
+```
+<sql host=myhost db=mydb>
+SELECT foo FROM bar ORDER BY baz
+<sql>
+```
+
 More information at https://www.dokuwiki.org/plugin:sqlquery
diff --git a/syntax.php b/syntax.php
index 9ddbb5a..ac3f9b7 100644
--- a/syntax.php
+++ b/syntax.php
@@ -43,13 +43,13 @@ class syntax_plugin_sqlquery extends DokuWiki_Syntax_Plugin {
             if (preg_match('/<sql\b.*host=([\w\-\.$]+)/', $match, $result)) {
                 $data['host'] = $result[1];
             } else {
-                $data['host'] = $this->getConf('host');
+                $data['host'] = $this->getConf('Host');
             }
             # get database
             if (preg_match('/<sql\b.*db=([\w\-\.$]+)/', $match, $result)) {
                 $data['db'] = $result[1];
             } else {
-                $data['db'] = $this->getConf('db');
+                $data['db'] = $this->getConf('DB');
             }
             # get query
                 $data['match'] = $match;