diff --git a/User_Guide/English/0-1.concept of Network Sketcher.pdf b/User_Guide/English/0-1.concept of Network Sketcher.pdf
index 0ca9886..b121875 100644
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diff --git a/User_Guide/English/User_Guide[EN].md b/User_Guide/English/User_Guide[EN].md
index f671ec7..fc33ef0 100644
--- a/User_Guide/English/User_Guide[EN].md
+++ b/User_Guide/English/User_Guide[EN].md
@@ -1,5 +1,7 @@
 # User Guide [English]
-The English version uses machine translation
+
+## 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)
 
 ## 1. First Step
 
diff --git "a/User_Guide/Japanese/0-1.Network Sketcher\343\202\263\343\203\263\343\202\273\343\203\227\343\203\210 .pdf" "b/User_Guide/Japanese/0-1.Network Sketcher\343\202\263\343\203\263\343\202\273\343\203\227\343\203\210 .pdf"
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