diff --git a/src/components/ui/text-case-toggle.tsx b/src/components/ui/text-case-toggle.tsx
index 20ce768..13dc664 100644
--- a/src/components/ui/text-case-toggle.tsx
+++ b/src/components/ui/text-case-toggle.tsx
@@ -26,11 +26,11 @@ export function TextCaseToggle({
         'disabled:opacity-50 disabled:cursor-not-allowed',
         className
       )}
-      title={isUpperCase ? 'Mudar para minúsculas' : 'Mudar para maiúsculas'}
+      title={isUpperCase ? 'Mudar para minúsculas' : 'MUDAR PARA MAIÚSCULAS'}
     >
       <Type className="h-4 w-4" />
       <span className="text-sm font-medium select-none">
-        {isUpperCase ? 'Aa' : 'AA'}
+        {isUpperCase ? 'Aa: Ativar Minúsculas' : 'AA: ATIVAR MAIÚSCULAS'}
       </span>
       {isLoading && (
         <Loader2 className="h-4 w-4 animate-spin" />
diff --git a/src/pages/student-dashboard/StoryPage.tsx b/src/pages/student-dashboard/StoryPage.tsx
index 669dd86..40fdefa 100644
--- a/src/pages/student-dashboard/StoryPage.tsx
+++ b/src/pages/student-dashboard/StoryPage.tsx
@@ -643,13 +643,15 @@ export function StoryPage() {
             <Share2 className="h-5 w-5" />
             Compartilhar
           </button>
-          <button
+          {
+          /* <button
             onClick={() => setIsPlaying(!isPlaying)}
             className="flex items-center gap-2 px-4 py-2 text-gray-600 hover:text-gray-900"
           >
             <Volume2 className="h-5 w-5" />
             {isPlaying ? 'Pausar' : 'Ouvir'}
-          </button>
+          </button> 
+          */}
         </div>
       </div>