diff --git a/README.md b/README.md
index 3da934eef..2071b8ff8 100644
--- a/README.md
+++ b/README.md
@@ -35,6 +35,10 @@ Like many other open source software, QElectroTech is provided as is, without an
 ### Development / technical choices
 
 The development follows the classical way of free and open source software: the source code, written by a community of users, is freely accessible.
+*    Get sources ans sub-modules
+```txt
+git clone --recursive https://github.com/qelectrotech/qelectrotech-source-mirror.git
+```
 
 Here are the technical choices made for the software development: