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diff --git a/.docs/README.md b/.docs/README.md
index 384140af2..78442dbde 100644
--- a/.docs/README.md
+++ b/.docs/README.md
@@ -11,8 +11,6 @@ Documentation site for AvatarOptimizer is created using [hugo](https://gohugo.io
 ## Other informations
 
 - Screenshots of the components are taken using EditorScreenshotTakeTool with width `320`
-- Screenshots in tutorial are taken with Anon.unity. The Anon.unity is made with originally with [Anon] 1.05, and 
-  upgraded to 1.06 with replacing GUID of prefab with that of 1.05 (`3b37219c818344b47a491cca0686c190`) and 
-  fbx with that of 1.05 (`438f5f8550649644293c5db4401190cd`)
+- Screenshots in tutorial are taken with Anon.unity. The Anon.unity is made with [Anon] 1.06
 
 [Anon]: https://booth.pm/ja/items/3564947