diff --git a/content/docs/2023/code-design/_index.en.md b/content/docs/2023/code-design/_index.en.md
index 72d519c..0e5ed74 100644
--- a/content/docs/2023/code-design/_index.en.md
+++ b/content/docs/2023/code-design/_index.en.md
@@ -34,7 +34,7 @@ In addition, by learning how to convert data and materials into each other throu
 (This is the first year of the class thus the content may change according to the progress.)
 
 1. [(4/7) Introduction: Computing without Electricity](./1)
-2. (4/14) Introduction to Electronics (Victorian Oscillator)
+2. [(4/14) Anti-Introduction to Electronics (Victorian Oscillator)](./2)
 3. (4/21) Paper Circuit and Logic Circuits
 4. (4/28) Binary Numbers WS 
 5. (5/12) Handmade Computer
diff --git a/content/docs/2023/code-design/_index.md b/content/docs/2023/code-design/_index.md
index 9854a1f..ec24d5c 100644
--- a/content/docs/2023/code-design/_index.md
+++ b/content/docs/2023/code-design/_index.md
@@ -35,7 +35,7 @@ bookCollapseSection: true
 （初年度のため、実施状況に応じて内容は変更になることがあります。）
 
 1. [(4/7) イントロダクション 電気を使わないコンピューティング](./1)
-2. (4/14) 電子工作超入門（Victorian Oscillator）
+2. [(4/14) 電子工作脱入門（Victorian Oscillator）](./2)
 3. (4/21) Paper Circuitと論理回路
 4. (4/28) 二進数WS
 5. (5/12) Handmade Computer