diff --git a/phpBB/includes/auth/provider/base.php b/phpBB/includes/auth/provider/base.php
index 7961bf4dde..307988f00a 100644
--- a/phpBB/includes/auth/provider/base.php
+++ b/phpBB/includes/auth/provider/base.php
@@ -16,7 +16,7 @@ if (!defined('IN_PHPBB'))
 }
 
 /**
- * Base authentication provider class that all other providers must implement.
+ * Base authentication provider class that all other providers should implement.
  *
  * @package auth
  */