diff --git a/install/lang/nb/langconfig.php b/install/lang/nb/langconfig.php
index b0ae54ee8d0..f44153840e6 100644
--- a/install/lang/nb/langconfig.php
+++ b/install/lang/nb/langconfig.php
@@ -31,4 +31,4 @@
 defined('MOODLE_INTERNAL') || die();
 
 $string['parentlanguage'] = 'no';
-$string['thislanguage'] = 'Norsk Bokmål';
+$string['thislanguage'] = 'Norsk bokmål';