updated verbiage

package.json

@@ -5,5 +5,5 @@
     "version": "0.1",
     "fullName": "Privacy Watchdog",
     "id": "jid1-PdquKUydQhALGA",
-    "description": "a basic add-on"
+    "description": "This is Privacy Watchdog. It's a rapidly changing project that explores the way we use passwords in the web browser, and ways we can possibly be more secure in reusing them."
 }