diff --git a/README.md b/README.md
index 259eb36..bd3e3ca 100644
--- a/README.md
+++ b/README.md
@@ -1,12 +1,13 @@
-#### My solutions to the [advent of code 2020](https://adventofcode.com/2020)
+#### My solutions to the [advent of code](https://adventofcode.com), years 2020 and 2021.
 
-My solutions to the 2 daily exercises in both C and Bash (also Cobol for day 1, I may try some other languages).
-
-#### My own rules:
+#### My own rules for 2020 :
  - **C** : Only *standard* libraries (for example, no external sort).
  - **bash**: Pure bash only: No external commands allowed (grep, sed, etc...).
 
-#### Done:
+#### Done 2020 (both C and bash, Cobol for day 1) :
  -  Day  1:     Bash, C, and Cobol
  -  Days 2-18:  Bash and C
  -  Days 19-22: Bash
+
+#### Done 2021 (probably C only) :
+ -  Day  1:     C