diff --git a/frontend/html5.html b/frontend/html5.html
index e1691ba..fc58d2a 100644
--- a/frontend/html5.html
+++ b/frontend/html5.html
@@ -6,7 +6,7 @@
 
 <!-- Document Summary -->
 
-
+<!doctype html>                                   <!-- Tells the browser that HTML5 version of HTML to be recognized by the browser -->
 <html></html>                                     <!-- Indicates that the page is written in html -->
 <head></head>                                     <!-- Contains Information specific to the page like title, styles and scripts -->
 <title></title>                                   <!-- Title for the page that shows up in the browser title bar -->
