diff --git a/fortune_generator/js/service-worker.js b/fortune_generator/js/service-worker.js
index 6bc9251..9475a28 100644
--- a/fortune_generator/js/service-worker.js
+++ b/fortune_generator/js/service-worker.js
@@ -26,9 +26,11 @@ const NEED_UPDATE = [
 
 let limit_cache_size = (name, size) => {
   caches.open(name).then(cache => {
-    cache.keys().then(key => {
-      if (key.length > size) {
-        cache.delete(key[0]).then(limit_cache_size(name, size));
+    cache.keys().then(keys => {
+      if (keys.length > size) {
+        cache.delete(keys[0]).then(() => {
+          limit_cache_size(name, size)
+        });
       }
     });
   });
diff --git a/quote_generator/index.html b/quote_generator/index.html
index 5eac548..a00b433 100644
--- a/quote_generator/index.html
+++ b/quote_generator/index.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
   <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
@@ -13,7 +13,7 @@
   </head>
 
   <body>
-    <div class="container">
+    <div class="container" id="imageContainer">
       <h1>Today's quote</h1>
       <div class="quote-container">
         <p id="quote"></p>
