diff --git a/readme/en.md b/readme/en.md
index 7ebf8881..38c69aa3 100644
--- a/readme/en.md
+++ b/readme/en.md
@@ -96,6 +96,7 @@ This repository is a list of websites that are behind "The Great Cloudwall", blo
 
 **More Information**
 * [Myth Catalog](../subfiles/myth_catalog.md)
+* [How many % of top 1,000 most visited sites(2010) are using Cloudflare today?](../subfiles/google_ad_planner_top_1000_sites.md)
 * [The Great Cloudwall](../pdf/2019-Jeff_Cliff_Book1.txt), [Mr. Jeff Cliff](https://shitposter.club/users/jeffcliff)
   * Download: [PDF](../pdf/2019-The_Great_Cloudwall.pdf), [ePUB](../pdf/2019-Jeff_Cliff_The_Great_Cloudwall.epub)
   * The original eBook(ePUB) was deleted by BookRix GmbH due to copyright infringement of CC0 material