diff --git a/install/lang/en_us_k12/langconfig.php b/install/lang/en_us_k12/langconfig.php
index 87e0429d83a..f37a63bc990 100644
--- a/install/lang/en_us_k12/langconfig.php
+++ b/install/lang/en_us_k12/langconfig.php
@@ -29,5 +29,6 @@
 
 defined('MOODLE_INTERNAL') || die();
 
+$string['parentlanguage'] = 'en_us';
 $string['thisdirection'] = 'ltr';
-$string['thislanguage'] = 'American English K12';
+$string['thislanguage'] = 'English (United States) K12';