diff --git a/docs/index.md b/docs/index.md
index dcae54bd20051f8c51f8904726c6c869744bd487..b4f748c59452cb447048ab2d9b3445ca6378de8b 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -31,4 +31,8 @@ Weekly assignments
 
 9. Electronics Production
 
-10. Output devices 
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+10. Output devices 
+
+11. Machine Design 
+
+12. Input devices 
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