diff --git a/docs/wifi.md b/docs/wifi.md
index de9e4e2b..354741f3 100644
--- a/docs/wifi.md
+++ b/docs/wifi.md
@@ -48,6 +48,7 @@ Alternatively you can connect to the PiKVM via SSH. The built-in Web Terminal (a
 
     ```
     # wpa_passphrase 'MyNetwork' 'P@assw0rd' > /etc/wpa_supplicant/wpa_supplicant-wlan0.conf
+    # chmod 640 /etc/wpa_supplicant/wpa_supplicant-wlan0.conf
     ```
     
     !!! note "Using Wi-Fi with hidden ESSID"