diff --git a/core/modules/system/system.install b/core/modules/system/system.install
index ffbf009..0974850 100644
--- a/core/modules/system/system.install
+++ b/core/modules/system/system.install
@@ -664,9 +664,9 @@ function system_requirements($phase) {
       }
     }
 
-    $description = t('A max_nesting_level lower than @lvl will cause some pages in your Drupal site to crash. To fix this it is recommended to set xdebug.max_nesting_level=@lvl in your PHP configuration for Xdebug.', array('@lvl' => $xdebug_nesting_level));
+    $description = t('A max_nesting_level lower than @level will cause some pages in your Drupal site to crash. To fix this it is recommended to set xdebug.max_nesting_level=@level in your PHP configuration for Xdebug.', array('@level' => $xdebug_nesting_level));
     if ($ini_location !== FALSE) {
-      $description .= ' ' . t('Your Xdebug configuration can be modified in @iniLocation.', array('@iniLocation' => $ini_location));
+      $description .= ' ' . t('Your Xdebug configuration can be modified in @ini_location.', array('@ini_location' => $ini_location));
     }
 
     $requirements['xdebug_max_nesting_level'] = array(