diff --git a/README.md b/README.md
index ba95f41..101581b 100644
--- a/README.md
+++ b/README.md
@@ -48,7 +48,7 @@ Courses | School | Duration | Effort | Frequency | Prerequisites
 
 Courses | School | Duration | Effort | Frequency | Prerequisites
 :-- | :--: | :--: | :--: | :--: | :--:
-[Build a Modern Computer from First Principles: From Nand to Tetris](imp.i384100.net/6b13dV) | Hebrew University of Jerusalem | 6 weeks | 5 hours/week | twice a month | basic programming knowledge
+[Build a Modern Computer from First Principles: From Nand to Tetris](https://imp.i384100.net/6b13dV) | Hebrew University of Jerusalem | 6 weeks | 5 hours/week | twice a month | basic programming knowledge
 [Build a Modern Computer from First Principles: From Nand to Tetris II](https://imp.i384100.net/dovNVq) | Hebrew University of Jerusalem | 6 weeks | 10-15 hours/week | once a month | Build a Modern Computer from First Principles: From Nand to Tetris
 [Introduction to Operating Systems](https://imp.i115008.net/introduction-to-operating-systems)| Georgia Tech | 8 weeks | 5-8 hours/week | self-paced | Build a Modern Computer from First Principles: From Nand to Tetris II