diff --git a/README-zh.md b/README-zh.md
index 6f024ee..8525cdf 100644
--- a/README-zh.md
+++ b/README-zh.md
@@ -112,7 +112,7 @@ ANSWERS
 
 **[配置 OpenVPN 客户端](docs/clients-zh.md)**
 
-**[下载 VPN 文档的 PDF 版本（支持者）](https://ko-fi.com/post/Support-this-project-and-get-access-to-supporter-o-X8X5FVFZC)**
+**[下载电子书：搭建自己的 VPN 服务器（支持者）](https://ko-fi.com/post/Support-this-project-and-get-access-to-supporter-o-X8X5FVFZC)**
 
 开始使用自己的专属 VPN! :sparkles::tada::rocket::sparkles:
 
diff --git a/README.md b/README.md
index 1e27221..c1d84c5 100644
--- a/README.md
+++ b/README.md
@@ -112,7 +112,7 @@ Get your computer or device to use the VPN. Please refer to:
 
 **[Configure OpenVPN Clients](docs/clients.md)**
 
-**[Download PDF versions of VPN docs (supporters)](https://ko-fi.com/post/Support-this-project-and-get-access-to-supporter-o-O5O7FVF8J)**
+**[Download eBook: Set Up Your Own VPN Server (supporters)](https://ko-fi.com/post/Support-this-project-and-get-access-to-supporter-o-O5O7FVF8J)**
 
 Enjoy your very own VPN! :sparkles::tada::rocket::sparkles: