diff --git a/app/Http/Controllers/SettingsController.php b/app/Http/Controllers/SettingsController.php
index 8ac0b3622b..29ef2234e7 100755
--- a/app/Http/Controllers/SettingsController.php
+++ b/app/Http/Controllers/SettingsController.php
@@ -915,7 +915,7 @@ class SettingsController extends Controller
          * This validator is only temporary (famous last words.) - @snipe
          */
         $messages = [
-            'ldap_username_field.not_in' => '<code>sAMAccountName</code> (mixed case) will likely not work. You should use <code>samaccountName</code> (lowercase) instead. ',
+            'ldap_username_field.not_in' => '<code>sAMAccountName</code> (mixed case) will likely not work. You should use <code>samaccountname</code> (lowercase) instead. ',
             'ldap_auth_filter_query.not_in' => '<code>uid=samaccountname</code> is probably not a valud auth filter. You probably want <code>uid=</code> ',
             'ldap_filter.regex' => 'This value should probably not be wrapped in parentheses.',
         ];