diff --git a/book/README.md b/book/README.md
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--- a/book/README.md
+++ b/book/README.md
@@ -1,5 +1,5 @@
 ![](cover.jpg)
 
-# Unreal Engine 5 Guide Book
+# Unreal Engine Guide Book
 
 <a href="/book.pdf" target=”_blank”>download</a> | <a href="https://ue-book.syui.ai" target="_blank">web</a>