diff --git a/README.md b/README.md
index 68b246e..921692e 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,11 @@
+
+this repo uses submodule fo `env_generator`, so after cloning you need to do :
+```
+git submodule init
+git submodule update
+```
+
+---
 debug :
 - **docker ps** : to see all the containers running
 - **docker logs <container name>** : to see if there is logs of errors