diff --git a/docs/Machine_Building/machine-building.md b/docs/Machine_Building/machine-building.md
index 503143699cf46b83675bea841a9f3627213a488b..0de7e67dc13b8b2092c0d574739940d6619f305c 100644
--- a/docs/Machine_Building/machine-building.md
+++ b/docs/Machine_Building/machine-building.md
@@ -1,4 +1,4 @@
-# Final Project
+# Machine Building
 
 
 This week I worked on defining my final project idea and started to getting used to the documentation process.
@@ -84,4 +84,4 @@ void loop() {
     by <a href="https://sketchfab.com/francisbitontistudio?utm_medium=embed&utm_source=website&utm_campaign=share-popup" target="_blank" style="font-weight: bold; color: #1CAAD9;">Francis Bitonti Studio</a>
     on <a href="https://sketchfab.com?utm_medium=embed&utm_source=website&utm_campaign=share-popup" target="_blank" style="font-weight: bold; color: #1CAAD9;">Sketchfab</a>
 </p>
-</div>
\ No newline at end of file
+</div>
diff --git a/docs/index.md b/docs/index.md
index fc24603c04398a456f2f499e97adcca1604a0f7c..235e0f9bfb263382b4f810290777969da7920b35 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -23,8 +23,19 @@ Natsuka Kamei
 ### Weekly_Group_Assignments
 
 [week3 Computer-Controlled Cutting](./Weekly_Group_Assignments/week03.md)  
-week4  
-week5  
+[week4 Electronics production](./Weekly_Group_Assignments/week04.md)  
+[week5 3D Scanning and printing](./Weekly_Group_Assignments/week05.md)  
+[week6 Electronics design](./Weekly_Group_Assignments/week06.md)  
+[week7 Computer controlled machining](./Weekly_Group_Assignments/week07.md)  
+[week8 Embedded programming](./Weekly_Group_Assignments/week08.md)  
+[week9 Molding and casting](./Weekly_Group_Assignments/week09.md)  
+[week10 Output devices](./Weekly_Group_Assignments/week10.md)  
+[week11 Mechanical design / Machine design](./Machine_Building/machine-building.md)  
+[week12 Input devices](./Weekly_Group_Assignments/week12.md)  
+[week13 Networking and communications](./Weekly_Group_Assignments/week13.md)  
+[week14 Interface and application programming](./Weekly_Group_Assignments/week14.md)  
+[week15 Wildcard week](./Weekly_Group_Assignments/week15.md)  
+
 
 ### Machine_Building
 [site](./Machine_Building/machine-building.md)