diff --git a/README.md b/README.md
index a4088b4..8451ed2 100644
--- a/README.md
+++ b/README.md
@@ -24,6 +24,6 @@ Connect sensors to power supply and Beaglebone like in the next diagram.
 Then you can run the code wih this comand*:
 
 ```
-./daq <time> <sampling period>
+./daq <daq duration(h)> <sampling period(s)>
 ```
-*change < time> and < sampling period> with your own values.
\ No newline at end of file
+*replace **<daq duration(h)>** with the total data acquisition time (in hours), and **<sampling period(s)>** with the time between each measurements acquisition (in seconds).
\ No newline at end of file