diff --git a/static/index.html b/static/index.html
index 95462bb..2eda8f4 100644
--- a/static/index.html
+++ b/static/index.html
@@ -2,13 +2,13 @@
 <html lang="en" xml:lang="en">
   <head>
     <title>#FediBuzz Relay</title>
-    <meta charset="utf-8"/>
-    <meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
-    <meta name="robots" content="index,follow"/>
-    <meta name="description" content="The buzzing ActivityPub relay service"/>
-    <meta name="keywords" content="activitypub relay fedibuzz"/>
-    <meta name="language" content="en"/>
-    <meta name="author" content="Astro"/>
+    <meta charset="utf-8">
+    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
+    <meta name="robots" content="index,follow">
+    <meta name="description" content="The buzzing ActivityPub relay service">
+    <meta name="keywords" content="activitypub relay fedibuzz">
+    <meta name="language" content="en">
+    <meta name="author" content="Astro">
     <link rel="stylesheet" href="style.css">
   </head>
   <body>
@@ -49,7 +49,7 @@
       <article>
         <h2>Follow posts by #tag</h2>
         <div>
-          <input id="tag" len="20" placeholder="tag"/>
+          <input id="tag" size="20" placeholder="tag">
         </div>
         <pre id="tag-url">
         </pre>
@@ -57,7 +57,7 @@
       <article>
         <h2>Follow posts by instance</h2>
         <div>
-          <input id="instance" len="20" placeholder="example.xyz"/>
+          <input id="instance" size="20" placeholder="example.xyz">
         </div>
         <pre id="instance-url">
         </pre>
