diff --git a/FofbTool/__init__.py b/FofbTool/__init__.py
index d3c88807c81c11bd8bcb6e16b47cf65cae0406bf..27ab57e27ce423c4617052fdfc6328fd7cc428b4 100644
--- a/FofbTool/__init__.py
+++ b/FofbTool/__init__.py
@@ -1 +1,17 @@
+"""
+FofbTool is a module to operate and configure the Fast Orbit Feedback (FOFB) platform at SOLEIL.
+
+This package is cut in several modules:
+    * FofbTool.Utils
+        Contains usefull functions, or first level function that make use of the core functions.
+
+    * FofbTool.Operation
+        Contains core functions to make actions on the (FOFB) platform.
+
+    * FofbTool.Configuration
+        Contains core functions to apply configurations on the FOFB platform
+
+For basic usage, see doc of FofbTool.Utils
+
+"""
 __version__ = "2.2"