diff --git a/README.md b/README.md
index 2fca46b25..8e6e70697 100644
--- a/README.md
+++ b/README.md
@@ -44,7 +44,7 @@ Try Live Editor previews of future releases: <a href="https://develop.git.mermai
 
 **Thanks to all involved, people committing pull requests, people answering questions! 🙏**
 
-<a href="https://mermaid.js.org/landing/"><img src="https://github.com/mermaid-js/mermaid/blob/master/docs/intro/img/book-banner-post-release.jpg" alt="Explore Mermaid.js in depth, with real-world examples, tips & tricks from the creator... The first official book on Mermaid is available for purchase. Check it out!"></a>
+<a href="https://mermaid.js.org/landing/"><img src="https://github.com/mermaid-js/mermaid/blob/master/docs/intro/img/book-banner-post-release.jpg" alt='Banner for "The Official Guide to Mermaid.js" book'></a>
 
 ## Table of content
 
diff --git a/README.zh-CN.md b/README.zh-CN.md
index e5b20caed..82c1eb054 100644
--- a/README.zh-CN.md
+++ b/README.zh-CN.md
@@ -43,7 +43,7 @@ Mermaid
 
 **感谢所有参与进来提交 PR，解答疑问的人们! 🙏**
 
-<a href="https://mermaid.js.org/landing/"><img src="https://github.com/mermaid-js/mermaid/blob/master/docs/intro/img/book-banner-post-release.jpg" alt="Explore Mermaid.js in depth, with real-world examples, tips & tricks from the creator... The first official book on Mermaid is available for purchase. Check it out!"></a>
+<a href="https://mermaid.js.org/landing/"><img src="https://github.com/mermaid-js/mermaid/blob/master/docs/intro/img/book-banner-post-release.jpg" alt='Banner for "The Official Guide to Mermaid.js" book'></a>
 
 ## 关于 Mermaid