diff --git a/install/lang/et/admin.php b/install/lang/et/admin.php
index 651c574a46e..8df835bafb1 100644
--- a/install/lang/et/admin.php
+++ b/install/lang/et/admin.php
@@ -32,6 +32,7 @@ defined('MOODLE_INTERNAL') || die();
 
 $string['clianswerno'] = 'ei';
 $string['cliansweryes'] = 'jah';
+$string['cliincorrectvalueerror'] = 'Viga, vigane väärtus "{$a->value}" "{$a->option}"-le';
 $string['cliincorrectvalueretry'] = 'Vale väärtus(value), palun proovige uuesti';
 $string['clitypevalue'] = 'tüübi väärtus';
 $string['cliunknowoption'] = 'Tundmatud valikud: