Clarify default language label in Voice Clone dropdown

index.html

@@ -917,7 +917,7 @@ pre {
             <div class="editor-left">
               <span class="editor-stat"><span id="char-count">0</span> chars</span>
               <select class="lang-select" id="lang-select">
-                <option value="Auto">Auto</option>
+                <option value="Auto">Language (Auto)</option>
                 <option value="English">English</option>
                 <option value="Chinese">Chinese</option>
                 <option value="French">French</option>