diff --git a/README.md b/README.md
index eddba09b..20c1c1b6 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # WarpPI Calculator
 Step-by-step algebraic calculator for Raspberry PI.
+*This project is experimental and related to my physical calculator, it starts but many fundamental features aren't complete.*
+*If you really want to build it and test on your computer take account of that.*
 
 ![alt text](https://github.com/XDrake99/WarpPI/blob/new-internal-structure/res/algebra_input.gif?raw=true "Algebra input screen")
 ![alt text](https://github.com/XDrake99/PICalculator/blob/master/res/decimal.png "Example expression")