diff --git a/README.md b/README.md
index 1f770f5..36b9ead 100644
--- a/README.md
+++ b/README.md
@@ -9,4 +9,11 @@
   - http://wiki.fluidnc.com/en/hardware/3rd-party/MKS_TinyBee
 - test homing with reprap v1.0 endswitch
 - wiring stepper motor : bon sens + homing direction
-- save avacnée du jour sur config.yaml
\ No newline at end of file
+- save avacnée du jour sur config.yaml
+
+# Software
+## Plotter app
+- install requirements.txt 
+ - Run Flask: app.py
+
+