diff --git a/README.md b/README.md
index 7eb002c..a5bb0d0 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 # tainix_challenges
 
 # TODO
- - [ ] Add a README.md file to the root of the repository
+ - [ ] Add a README.md file to the root of the repository to explain the purpose of the repository and maybe how to fork it tu use it personnally
  - [ ] Adding tests for PIZZAS Challenge
- - [ ] Add a Makefile to launch php server, and maybe a command to start a new challenge based on his name
\ No newline at end of file
+ - [ ] Refacto WALL_E to add constants to manage battery min/max, ratios etc
+ - [ ] Move the const API_KEY in ChallengeFactory to .env file
\ No newline at end of file