Updated Books (markdown)
diff --git a/Books.md b/Books.md
index 4cbe187..6e78e3e 100644
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+++ b/Books.md
@@ -494,7 +494,7 @@
     * ISBN: ---
     * Reference: https://github.com/qyuhen/book
 
-  * **Go语言高级编程** (e-book)
+  * **Go语言高级编程** (实体书 & e-book)
     * Author: 柴树杉(chai2010)
     * Publication Date: 2019-07
     * ISBN: 978-7-115-51036-5