diff --git a/executar.html b/executar.html
index d3611a5..0a9616a 100644
--- a/executar.html
+++ b/executar.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html lang="en">
+<html dir="ltr" lang="pt-BR">
 	<head>
 		<script src="erro.js"></script>
 		<script src="https://cdnjs.cloudflare.com/ajax/libs/tone/14.8.49/Tone.js"></script>
@@ -14,7 +14,7 @@
 				document.getElementsByTagName('head')[0].appendChild(script);
 		}
 		</script>
-		<div class="alert alert-danger" role="alert" id="errorMessage" hidden>
+		<div class="alert alert-danger" role="alert" id="errorMessage" aria-live="assertive" hidden>
 			<strong>Holy guacamole!</strong> This is a primary alert—check it out!
 		</div>
 	</body>
