diff --git a/libft/README.md b/libft/README.md
index 69fa7b2..ea37d3d 100644
--- a/libft/README.md
+++ b/libft/README.md
@@ -19,7 +19,15 @@ ln -snvf $HOME/libft libft
 
 Only for Linux
 ```
-sudo apt-get install -qq -y make gcc clang valgrind libbsd-dev libncurses-dev build-essential
+sudo apt-get install -qq -y make gcc clang valgrind build-essential
+
+# for make d (alelievr/libft-unit-test)
+sudo apt-get install -qq -y libbsd-dev libncurses-dev
+vi 42test/libft/libft/Makefile
+LIB = libft.so
+so: $(OBJ) $(OBJ_BONUS)
+    @$(CC) $(CFLAGS) -shared -fPIC -o $(LIB) $(OBJ) $(OBJ_BONUS)
+:wq
 ```
 
 ## Update