diff --git a/adminer/include/adminer.inc.php b/adminer/include/adminer.inc.php
index 0a2c98f3..e1159149 100644
--- a/adminer/include/adminer.inc.php
+++ b/adminer/include/adminer.inc.php
@@ -110,7 +110,7 @@ focus(document.getElementById('username'));
 	function login($login, $password) {
 		global $jush;
 		if ($jush == "sqlite") {
-			return lang('Implement %s method to use SQLite.', 'login()');
+			return lang('<a href="https://www.adminer.org/en/extension/" target="_blank">Implement</a> %s method to use SQLite.', '<code>login()</code>');
 		}
 		return true;
 	}
diff --git a/adminer/include/auth.inc.php b/adminer/include/auth.inc.php
index 8f48c2c6..7e83bdb8 100644
--- a/adminer/include/auth.inc.php
+++ b/adminer/include/auth.inc.php
@@ -120,7 +120,6 @@ function unset_permanent() {
 */
 function auth_error($error) {
 	global $adminer, $has_token;
-	$error = h($error);
 	$session_name = session_name();
 	if (isset($_GET["username"])) {
 		header("HTTP/1.1 403 Forbidden"); // 401 requires sending WWW-Authenticate header
@@ -168,7 +167,7 @@ if (isset($_GET["username"])) {
 $driver = new Min_Driver($connection);
 
 if (!is_object($connection) || ($login = $adminer->login($_GET["username"], get_password())) !== true) {
-	auth_error((is_string($connection) ? $connection : (is_string($login) ? $login : lang('Invalid credentials.'))));
+	auth_error((is_string($connection) ? h($connection) : (is_string($login) ? $login : lang('Invalid credentials.'))));
 }
 
 if ($auth && $_POST["token"]) {
diff --git a/adminer/include/pdo.inc.php b/adminer/include/pdo.inc.php
index 251b9038..5aef6a5d 100644
--- a/adminer/include/pdo.inc.php
+++ b/adminer/include/pdo.inc.php
@@ -16,7 +16,7 @@ if (extension_loaded('pdo')) {
 			try {
 				parent::__construct($dsn, $username, $password);
 			} catch (Exception $ex) {
-				auth_error($ex->getMessage());
+				auth_error(h($ex->getMessage()));
 			}
 			$this->setAttribute(13, array('Min_PDOStatement')); // 13 - PDO::ATTR_STATEMENT_CLASS
 			$this->server_info = @$this->getAttribute(4); // 4 - PDO::ATTR_SERVER_VERSION
diff --git a/adminer/lang/cs.inc.php b/adminer/lang/cs.inc.php
index 1a75c280..7e9bae3f 100644
--- a/adminer/lang/cs.inc.php
+++ b/adminer/lang/cs.inc.php
@@ -11,7 +11,7 @@ $translations = array(
 	'Logged as: %s' => 'Přihlášen jako: %s',
 	'Logout successful.' => 'Odhlášení proběhlo v pořádku.',
 	'Invalid credentials.' => 'Neplatné přihlašovací údaje.',
-	'Implement %s method to use SQLite.' => 'Pro přihlášení k SQLite implementujte metodu %s.',
+	'<a href="https://www.adminer.org/en/extension/" target="_blank">Implement</a> %s method to use SQLite.' => 'Pro přihlášení k SQLite <a href="https://www.adminer.org/cs/extension/" target="_blank">implementujte</a> metodu %s.',
 	'Too many unsuccessful logins, try again in %d minute(s).' => array('Příliš mnoho pokusů o přihlášení, zkuste to znovu za %d minutu.', 'Příliš mnoho pokusů o přihlášení, zkuste to znovu za %d minuty.', 'Příliš mnoho pokusů o přihlášení, zkuste to znovu za %d minut.'),
 	'Master password expired. <a href="https://www.adminer.org/en/extension/" target="_blank">Implement</a> %s method to make it permanent.' => 'Platnost hlavního hesla vypršela. <a href="https://www.adminer.org/cs/extension/" target="_blank">Implementujte</a> metodu %s, aby platilo stále.',
 	'Language' => 'Jazyk',
diff --git a/adminer/lang/xx.inc.php b/adminer/lang/xx.inc.php
index 680bcb6e..0851b21e 100644
--- a/adminer/lang/xx.inc.php
+++ b/adminer/lang/xx.inc.php
@@ -11,7 +11,7 @@ $translations = array(
 	'Logged as: %s' => 'Xx',
 	'Logout successful.' => 'Xx.',
 	'Invalid credentials.' => 'Xx.',
-	'Implement %s method to use SQLite.' => 'Xx.',
+	'<a href="https://www.adminer.org/en/extension/" target="_blank">Implement</a> %s method to use SQLite.' => 'Xx.',
 	'Too many unsuccessful logins, try again in %d minute(s).' => array('Xx.', 'Xx.'),
 	'Master password expired. <a href="https://www.adminer.org/en/extension/" target="_blank">Implement</a> %s method to make it permanent.' => 'Xx.',
 	'Language' => 'Xx',