diff --git a/User_Guide/English/User_Guide[EN].md b/User_Guide/English/User_Guide[EN].md
index fc33ef0..19f8d8e 100644
--- a/User_Guide/English/User_Guide[EN].md
+++ b/User_Guide/English/User_Guide[EN].md
@@ -1,7 +1,7 @@
 # User Guide [English]
 
 ## 0. Concept
-[0. Concept of Network Sketcher](https://github.com/cisco-open/network-sketcher/blob/ver_2.2.0/User_Guide/English/0-1.concept%20of%20Network%20Sketcher.pdf)
+[0. Concept of Network Sketcher](https://github.com/cisco-open/network-sketcher/blob/main/User_Guide/English/0-1.concept%20of%20Network%20Sketcher.pdf)
 
 ## 1. First Step
 
diff --git a/User_Guide/Japanese/User_Guide[JP].md b/User_Guide/Japanese/User_Guide[JP].md
index 8ba0270..a91d72e 100644
--- a/User_Guide/Japanese/User_Guide[JP].md
+++ b/User_Guide/Japanese/User_Guide[JP].md
@@ -1,7 +1,7 @@
 # ユーザガイド [日本語]
 
 ## 0. コンセプト
-[0. Network Sketcherのコンセプト](https://github.com/cisco-open/network-sketcher/blob/ver_2.2.0/User_Guide/Japanese/0-1.Network%20Sketcher%E3%82%B3%E3%83%B3%E3%82%BB%E3%83%97%E3%83%88%20.pdf)
+[0. Network Sketcherのコンセプト](https://github.com/cisco-open/network-sketcher/blob/main/User_Guide/Japanese/0-1.Network%20Sketcher%E3%82%B3%E3%83%B3%E3%82%BB%E3%83%97%E3%83%88%20.pdf)
 
 ## 1. 最初はここから
 [1-1. 概要](https://github.com/cisco-open/network-sketcher/blob/main/User_Guide/Japanese/1-1.%20Network%20Sketcher%20DX%E3%81%A8%E3%81%AF.pdf)