Spring-2021.md

@@ -80,7 +80,7 @@
 - Challenges:
   - Resolve all merge conflicts and merge all branches into `main` ✅
   - `init()` optimization (issue #47, merge request !14) ✅
-  - Define opcode set for register-based bytecode (issue #32)
+  - Define opcode set for register-based bytecode (issue #32, [wiki page](Register-based opcodes))
 
 ## **Week 10:** April 14 to April 21