chore: link the TS docs home page banner to the docs change-log

Author: wardbell

public/docs/ts/latest/_data.json

@@ -4,7 +4,7 @@
     "title": "Angular Docs",
     "subtitle": "TypeScript",
     "menuTitle": "Docs Home",
-    "banner": "Angular release is <b>2.0</b>. View the <a href='https://github.com/angular/angular/blob/master/CHANGELOG.md' target='_blank'>change log</a> to see enhancements, fixes, and breaking changes."
+    "banner": "Angular release is <b>2.0</b>. Learn about the latest [updates to the documentation ](guide/change-log.html \"\"). View the <a href='https://github.com/angular/angular/blob/master/CHANGELOG.md' target='_blank'>Angular change log</a> for enhancements, fixes, and breaking changes in Angular itself."
   },
 
   "cli-quickstart": {