diff --git a/docs/build.md b/docs/build.md
index 02d3179..5893a85 100644
--- a/docs/build.md
+++ b/docs/build.md
@@ -153,7 +153,7 @@ See other available Make commands in the [Makefile](../Makefile).
 
 Before flight you need to calibrate the accelerometer:
 
-1. Open Serial Monitor in Arduino IDE (use use `make monitor` command in the command line).
+1. Open Serial Monitor in Arduino IDE (or use `make monitor` command in the command line).
 2. Type `ca` command there and follow the instructions.
 
 #### Control with smartphone
@@ -169,7 +169,7 @@ Before flight you need to calibrate the accelerometer:
 
 Before flight using remote control, you need to calibrate it:
 
-1. Open Serial Monitor in Arduino IDE (use use `make monitor` command in the command line).
+1. Open Serial Monitor in Arduino IDE (or use `make monitor` command in the command line).
 2. Type `cr` command there and follow the instructions.
 3. Use the remote control to fly the drone!
 
@@ -185,6 +185,12 @@ If your drone doesn't have RC receiver installed, you can use USB remote control
 6. Go the the QGroundControl menu ⇒ *Vehicle Setup* ⇒ *Joystick*. Calibrate you USB remote control there.
 7. Use the USB remote control to fly the drone!
 
+#### Adjusting parameters
+
+You can adjust some of the drone's parameters (include PID coefficients) in QGroundControl app. In order to do that, go to the QGroundControl menu ⇒ *Vehicle Setup* ⇒ *Parameters*.
+
+<img src="img/parameters.png" width="400">
+
 > [!NOTE]
 > If something goes wrong, go to the [Troubleshooting](troubleshooting.md) article.
 
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