diff --git a/libft/README.md b/libft/README.md
index c2664a9..b352154 100644
--- a/libft/README.md
+++ b/libft/README.md
@@ -33,13 +33,18 @@ make update
 ```
 cd 42test/libft
 
-make test
-
-# or
-make a
+# work on both MacOS X and Linux
 make b
 make c
+
+# work on Linux
+make a
+
+# work on MacOS X
 make d
+
+# launch a b c d
+make test
 ```
 
 ## External Subprojects