diff --git a/20 - Speech Detection/index-FINISHED.html b/20 - Speech Detection/index-FINISHED.html
index a5f17da93d..a2722140da 100644
--- a/20 - Speech Detection/index-FINISHED.html	
+++ b/20 - Speech Detection/index-FINISHED.html	
@@ -14,7 +14,8 @@
 
   const recognition = new SpeechRecognition();
   recognition.interimResults = true;
-
+  recognition.lang = 'en-US';
+  
   let p = document.createElement('p');
   const words = document.querySelector('.words');
   words.appendChild(p);