diff --git a/404-error/index.html b/404-error/index.html
index 4c06b30c..f9d0a22d 100644
--- a/404-error/index.html
+++ b/404-error/index.html
@@ -3,6 +3,7 @@
 <head>
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <title>404 Error Page</title>
   <style>
     .section {
       display: flex;
@@ -25,4 +26,4 @@ <h1><a href="./3-404-center.html">Demo-3: 404-in-center</a></h1>
   </div>
 </section>  
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/CSS-JS Hybrid Animation/index.html b/CSS-JS Hybrid Animation/index.html
index 6bdc3b62..a680b5cb 100644
--- a/CSS-JS Hybrid Animation/index.html	
+++ b/CSS-JS Hybrid Animation/index.html	
@@ -2,8 +2,11 @@
 <html lang="en" >
 <head>
   <meta charset="UTF-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <meta name="description" content="Hybrid CSS-JS animation for Hacktoberfest contribution.">
   <title>Hacktober Animation</title>
-  <link href="https://fonts.googleapis.com/css2?family=Monoton&display=swap" rel="stylesheet"><link rel="stylesheet" href="./style.css">
+  <link href="https://fonts.googleapis.com/css2?family=Monoton&display=swap" rel="stylesheet">
+  <link rel="stylesheet" href="./style.css">
 
 </head>
 <body>
@@ -13,7 +16,7 @@
     <div id="container">
         <h1>ANIMATIONS</h1>
         <div class="svg">
-            <img class="wings" src="dot.png" alt="1">
+            <img class="wings" src="dot.png" alt="Flying wings animation">
         </div>
     </div>
 </div>
@@ -21,4 +24,4 @@ <h1>ANIMATIONS</h1>
   <script  src="./script.js"></script>
 
 </body>
-</html>
\ No newline at end of file
+</html>
