diff --git a/apps/calibration/README.md b/apps/calibration/README.md
index 37f637d21..ed1a29d9e 100644
--- a/apps/calibration/README.md
+++ b/apps/calibration/README.md
@@ -6,6 +6,7 @@ A simple calibration app for the touchscreen
 Once lauched touch the cross that appear on the screen to make
 another spawn elsewhere.
 
-each new touch on the screen will help to calibrate the offset
-of your finger on the screen. After five or more input, press
-the button to save the calibration and close the application.
\ No newline at end of file
+Each new touch on the screen will help to calibrate the offset
+of your finger on the screen. After four or more inputs, press
+the button to save the calibration and close the application. Quality
+of the calibration gets better with every touch on a cross.