diff --git a/Aula3.html b/Aula3.html
index 57f686d..586d6bd 100644
--- a/Aula3.html
+++ b/Aula3.html
@@ -20,9 +20,9 @@
       for(let j = 0;j < 20; j++){
         indice = Math.floor(Math.random()* letras.length);
         array[j] = letras[indice];
-      }
-      for(let i = 2;i < 20; i += 3){
-        array[i] = "0";
+        if(j % 3 == 0){
+          array[j] = "0";
+        }
       }
       let string = array.join("");
       console.log(string);
@@ -48,7 +48,6 @@
           console.log(a[i]);
         }
       }
-      
     </script>
   </body>
 </html>