diff --git a/README.md b/README.md
index 787f04f..bdfc07f 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ Lily58 is 6*4+4keys column-staggered split keyboard.
   - [Shop(Yushakobo)](https://yushakobo.jp/shop/consign_lily58-lite-rev2/)
 - Lily58(Old)
   - [PCB Data](https://github.com/kata0510/Lily58/tree/master/pcb)
-  - [BuildGuide](https://kata0510.github.io/Lily58-Document/Lily58_BG.html)
+  - [BuildGuide](https://kata0510.github.io/Lily58-Document/Lily58_BG/)
 - Lily58 Lite Rev1(Old)
   - [PCB Data](https://github.com/kata0510/Lily58/tree/master/pcb)
-  - [BuildGuide](https://kata0510.github.io/Lily58-Document/Lily58_Lite_BG.html)
+  - [BuildGuide](https://kata0510.github.io/Lily58-Document/Lily58_Lite_BG/)
diff --git a/doc/buildguide_jp.md b/doc/buildguide_jp.md
index 36d58b1..c998392 100644
--- a/doc/buildguide_jp.md
+++ b/doc/buildguide_jp.md
@@ -1,7 +1,7 @@
 # Lily58 ビルドガイド 
 
 ## 新しいビルドガイドページを参照ください
-[https://kata0510.github.io/Lily58-Document/Lily58_BG.html](https://kata0510.github.io/Lily58-Document/Lily58_BG.html)
+[https://kata0510.github.io/Lily58-Document/Lily58_BG/](https://kata0510.github.io/Lily58-Document/Lily58_BG/)
 
 ## 必要部品