Update description

package.json

@@ -1,7 +1,7 @@
 {
   "name": "kino",
   "version": "1.0.0-beta2",
-  "description": "A sample video PWA built for web.dev/media",
+  "description": "A sample offline streaming video PWA built for web.dev/media",
   "main": "src/index.js",
   "author": "Google",
   "license": "Apache-2.0",