diff --git a/board.html b/board.html
index 5a49c95..29f3d76 100644
--- a/board.html
+++ b/board.html
@@ -10,7 +10,7 @@
     <title>OwlBoard - Loading</title>
     <link rel="apple-touch-icon" href="/images/app-icons/any/apple-192.png">
     <link rel="stylesheet" type="text/css" href="./styles/main.css"/>
-    <link rel="stylesheet" type="text/css" href="./styles/boards.css"/>
+    <link rel="stylesheet" type="text/css" href="./styles/board.css"/>
     <link rel="icon" type="image/svg+xml" href="./images/icon.svg"/>
     <link rel="manifest" type="application/json" href="./manifest.json"/>
     <script src="./js/lib.main.js" defer></script>
diff --git a/conf/nginx.conf b/conf/nginx.conf
index 4dd1f03..d64739c 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -39,7 +39,7 @@ http {
             gzip_static on;
             brotli_static on;
             error_page 404 /404.html;
-            expires 3d;
+            expires 2d;
             add_header Cache-Control "public, no-transform";
         }
 
@@ -57,7 +57,7 @@ http {
             proxy_cache_key $scheme://$host$uri$is_args$query_string;
             proxy_ignore_headers Cache-Control;
             proxy_cache_valid 200 10080m;
-            expires 3d;
+            expires 7d;
             add_header Cache-Control "public, no-transform";
         }
     }
diff --git a/index.html b/index.html
index 4747d64..ba7a9eb 100644
--- a/index.html
+++ b/index.html
@@ -60,11 +60,15 @@
       <div id="quick_links">
       </div>
       <div class="text-description">
+        <p>A cache error means that some users are seeing a faulty layout on departure board pages,
+           an update to fix this has been made available but it may take a few days for this fix to 
+           be downloaded to your device.
+        </p>
         <p>Customise your quick links on the <a href="/settings.html">Settings</a> page.</p>
       </div>
     <!-- Footer -->
     <footer>
-      <p>Created by <a href="https://fredboniface.co.uk" target="_blank" rel="noreferrer noopener">Fred Boniface</a> - <span id="ver_str">1.2.3</span></p>
+      <p>Created by <a href="https://fredboniface.co.uk" target="_blank" rel="noreferrer noopener">Fred Boniface</a> - <span id="ver_str">1.2.4</span></p>
     </footer>
   </body>
 </html>
diff --git a/styles/boards.css b/styles/board.css
similarity index 100%
rename from styles/boards.css
rename to styles/board.css
diff --git a/sw.js b/sw.js
index de9ef50..9324685 100644
--- a/sw.js
+++ b/sw.js
@@ -1,10 +1,11 @@
 /* Service Worker */
 
-const appVersion = "1.2.3"
+const appVersion = "1.2.4"
 const cacheName = `owlboard-${appVersion}`;
 const cacheIDs = [cacheName];
 const cacheFiles = [
     "/404.html",
+    "/board.html",
     "/conn-err.html",
     "/help.html",
     "/",
@@ -16,7 +17,7 @@ const cacheFiles = [
     "/styles/fonts/firamono/firamono-regular.woff2",
     "/styles/fonts/urwgothic/urwgothic.woff2",
     "/styles/fonts/urwgothic/urwgothicDemi.woff2",
-    "/styles/boards.css",
+    "/styles/board.css",
     "/styles/find-code.css",
     "/styles/help.css",
     "/styles/issue.css",
@@ -32,8 +33,8 @@ const cacheFiles = [
     "/images/icon.svg",
     "/images/logo/wide_logo.svg",
     "/images/logo/mono-logo.svg",
-    "images/app-icons/any/plain-logo.svg",
-    "images/app-icons/any/plain-logo-512.png",
+    "/images/app-icons/any/plain-logo.svg",
+    "/images/app-icons/any/plain-logo-512.png",
     "/images/nav/alert_icon.svg",
     "/images/nav/save.svg",
     "/images/nav/home_icon.svg",