diff --git a/template.jst b/template.jst
index f2034ba73..fac0ebd83 100644
--- a/template.jst
+++ b/template.jst
@@ -8,8 +8,8 @@
 </head><body>
 <%=
   content
-    .replace('</h1>', '</h1><a href="img/screenshot.png"><img class="screenshot" src="img/screenshot.png"></a>')
-    .replace(/(<a href="([^"]+\.png)">.*?<\/a>)/g, '$1<span class="hover"><img src="$2"></span>')
+    .replace('</h1>', '</h1><a href="img/screenshot.png"><img class="screenshot" src="img/screenshot.png" alt="screenshot"></a>')
+    .replace(/(<a href="([^"]+\.png)">.*?<\/a>)/g, '$1<span class="hover"><img src="$2" alt="preview"></span>')
 %>
 <script>
 var links = document.querySelectorAll('a[href="https://chrome.google.com/webstore/detail/4chan-x/ohnjgmpcibpbafdlkimncjhflgedgpam"]');
