diff --git a/app/Http/Middleware/LanguageSwitcher.php b/app/Http/Middleware/LanguageSwitcher.php
index 79783d328c..a8c6fe8400 100644
--- a/app/Http/Middleware/LanguageSwitcher.php
+++ b/app/Http/Middleware/LanguageSwitcher.php
@@ -27,6 +27,7 @@ public function handle($request, Closure $next)
             if (in_array($locale, LaravelLocalization::getSupportedLanguagesKeys())) {
                 $this->setLocale($locale);
             }
+        // We have a 'UT' locale for testing.
         } elseif (session('locale') && session('locale') != 'UT') {
             // Otherwise, check if locale session already exists.
             // If it does, continue to maintain that locale.