diff --git a/source/_docs/z-wave/controllers.markdown b/source/_docs/z-wave/controllers.markdown
index 14b849223f5..6f38d7184ba 100644
--- a/source/_docs/z-wave/controllers.markdown
+++ b/source/_docs/z-wave/controllers.markdown
@@ -85,9 +85,20 @@ It's totally normal for your Z-Wave stick to cycle through its LEDs (Yellow, Blu
 
 ### Razberry Board
 
-You need to disable the on-board Bluetooth since the board requires the use of the hardware UART (and there's only one on the Pi3). You do this by adding the following to the end of `/boot/config.txt`:
+On Raspberry Pi 3 and 4, you need to disable the on-board Bluetooth since the board requires the use of the hardware UART (whose pins are shared with the Bluetooth). You do this by adjusting the `/boot/config.txt`.
 
-For both processes below you will need to insert your SD card into your PC and open the `/boot/config.txt` file with your favorite text editor.
+For both processes below you will need to insert your SD card into your PC and open the configuration file with your favorite text editor.
+
+- If you are using Home Assistant Operating System, once you mounted the disk, you will see the `config.txt` directly in the root directory.
+- If you are using Home Assistant Supervised, the config file is stored in the boot folder: `/boot/config.txt`.
+
+#### Raspberry Pi 5 procedure
+
+Add the following parameters to the bottom of the `config.txt` file.
+
+```text
+dtoverlay=uart0
+```
 
 #### Raspberry Pi 4 procedure