diff --git a/README.md b/README.md
index 50d8980..3c6966f 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@ The main task was to find the pulse length so that it would turn on the board an
 </p>
 
 Channel 1 is the test impulse and chanel 2 is Vout. So board wake up 830 milliseconds after impulse come.
-It turned out that the time of ~69 milliseconds with ~1.2 sec period for the LOW pulse was enough.
+It turned out that the time of ~70 milliseconds with ~1.2 sec period for the LOW pulse was enough.
 So I created scheme of 555 timer with [online calculator](https://ohmslawcalculator.com/555-astable-calculator) (you can use any of them) with the following RC setup:
 
 ![](https://github.com/Siegurd01/GeeekPi-18650-Hardware-Fix/blob/main/photo/555%20calc.jpg)