diff --git a/texteditor.html b/texteditor.html
index 45fbe63..16d2f8c 100644
--- a/texteditor.html
+++ b/texteditor.html
@@ -1,14 +1,23 @@
 <!DOCTYPE html>
 <html>
 <head>
-<title>Text Editor</title>
 
-<!-- PWA -->
-<link rel="manifest" href="texteditor.manifest.json" />
-<!-- ios support -->
-<link rel="apple-touch-icon" href="texteditor.png" />
-<meta name="apple-mobile-web-app-status-bar" content="cornflowerblue" />
-<meta name="theme-color" content="cornflowerblue" />
+<link rel="manifest" href="texteditor.manifest.json">
+
+<meta name="mobile-web-app-capable" content="yes">
+<meta name="apple-mobile-web-app-capable" content="yes">
+<meta name="application-name" content="Text Editor">
+<meta name="apple-mobile-web-app-title" content="Text Editor">
+<meta name="theme-color" content="cornflowerblue">
+<meta name="msapplication-navbutton-color" content="cornflowerblue">
+<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
+<meta name="msapplication-starturl" content="/">
+<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
+
+<link rel="icon" type="image/png" sizes="72x72" href="texteditor.png">
+<link rel="apple-touch-icon" type="image/png" sizes="72x72" href="texteditor.png">
+
+<title>Text Editor</title>
 
 <style>
 * { margin: 0; }
@@ -267,15 +276,12 @@
     }
 }, false);
 
-if ("serviceWorker" in navigator) {
-  window.addEventListener("load", function() {
-    navigator.serviceWorker
-      .register("/texteditor.service.js")
-      .then(e=>{})
-      .catch(e=>{})
-  })
-}
+</script>
 
+<script>
+    if('serviceWorker' in navigator) {
+        navigator.serviceWorker.register('/texteditor.service.js', { scope: '/' });
+    }
 </script>
 
 </body>
diff --git a/texteditor.manifest.json b/texteditor.manifest.json
index 1696171..227db7e 100644
--- a/texteditor.manifest.json
+++ b/texteditor.manifest.json
@@ -1,15 +1,15 @@
 {
 	"name": "Text Editor",
-	"short_name": "Text",
-	"start_url": "texteditor.html",
-	"display": "standalone",
+	"description": "A Simple Text Editor",
+	"start_url": "/",
+	"lang": "en-US",
 	"theme_color": "cornflowerblue",
-	"background_color": "lightblue",
-	"orientation": "portrait-primary",
+	"display": "standalone",
 	"icons": [
-		{
-			"src": "/texteditor.png",
-			"type": "image/png", "sizes": "72x72"
-		}
+	  {
+		"src": "texteditor.png",
+		"sizes": "72x72",
+		"type": "image/png"
+	  }
 	]
-}
\ No newline at end of file
+  }
\ No newline at end of file
diff --git a/texteditor.service.js b/texteditor.service.js
index 22eeb1c..dd74d95 100644
--- a/texteditor.service.js
+++ b/texteditor.service.js
@@ -1,21 +1,36 @@
-const staticDevCoffee = "dev-coffee-site-v1";
-const assets = [
-	"/texteditor.html",
-	"/texteditor.png"
-];
+const CACHE_NAME = `simple-texteditor`;
 
-self.addEventListener("install", installEvent => {
-	installEvent.waitUntil(
-			caches.open(staticDevCoffee).then(cache => {
-			cache.addAll(assets)
-		})
-	)
+// Use the install event to pre-cache all initial resources.
+self.addEventListener('install', event => {
+  event.waitUntil((async () => {
+    const cache = await caches.open(CACHE_NAME);
+    cache.addAll([
+      '/',
+      '/texteditor.html',
+      '/texteditor.png'
+    ]);
+  })());
 });
 
-self.addEventListener("fetch", fetchEvent => {
-	fetchEvent.respondWith(
-		caches.match(fetchEvent.request).then(res => {
-			return res || fetch(fetchEvent.request)
-		})
-	)
+self.addEventListener('fetch', event => {
+  event.respondWith((async () => {
+    const cache = await caches.open(CACHE_NAME);
+
+    // Get the resource from the cache.
+    const cachedResponse = await cache.match(event.request);
+    if (cachedResponse) {
+      return cachedResponse;
+    } else {
+        try {
+          // If the resource was not in the cache, try the network.
+          const fetchResponse = await fetch(event.request);
+
+          // Save the resource in the cache and return it.
+          cache.put(event.request, fetchResponse.clone());
+          return fetchResponse;
+        } catch (e) {
+          // The network failed.
+        }
+    }
+  })());
 });
\ No newline at end of file
