diff --git a/phpBB/phpbb/config/config.php b/phpBB/phpbb/config/config.php
index c40145b457..c1495a15f0 100644
--- a/phpBB/phpbb/config/config.php
+++ b/phpBB/phpbb/config/config.php
@@ -20,7 +20,7 @@ class config implements \ArrayAccess, \IteratorAggregate, \Countable
 {
 	/**
 	* The configuration data
-	* @var array<string,string>
+	* @var array<string,int|string>
 	*/
 	protected $config;
 
@@ -59,7 +59,7 @@ class config implements \ArrayAccess, \IteratorAggregate, \Countable
 	* Retrieves a configuration value.
 	*
 	* @param  string $key The configuration option's name.
-	* @return string      The configuration value
+	* @return int|string      The configuration value
 	*/
 	public function offsetGet($key)
 	{
diff --git a/phpBB/phpbb/template/twig/extension/config.php b/phpBB/phpbb/template/twig/extension/config.php
index ebb4f0c3ca..e0b8eb440d 100644
--- a/phpBB/phpbb/template/twig/extension/config.php
+++ b/phpBB/phpbb/template/twig/extension/config.php
@@ -55,7 +55,7 @@ class config extends AbstractExtension
 	/**
 	 * Retrieves a configuration value for use in templates.
 	 *
-	 * @return string	The configuration value
+	 * @return int|string	The configuration value
 	 */
 	public function get_config()
 	{