Spring-2021.md

@@ -78,8 +78,8 @@
   - Chapter 29 code and notes ✅
   - Chapter 30 code and notes ✅
 - Challenges:
-  - Resolve all merge conflicts and merge all branches into `main`
-  - `init()` optimization (issue #47)
+  - Resolve all merge conflicts and merge all branches into `main` ✅
+  - `init()` optimization (issue #47) ✅
   - Define opcode set for register-based bytecode (issue #32)
 
 ## **Week 10:** April 14 to April 21