diff --git a/src/VehicleSetup/FirmwareUpgrade.qml b/src/VehicleSetup/FirmwareUpgrade.qml
index 78f8bdff337bc30c41bdeac1451a7dc6e08393fa..2a1013dac6aa0cefd40af6bcfc1c9ef4798aca0f 100644
--- a/src/VehicleSetup/FirmwareUpgrade.qml
+++ b/src/VehicleSetup/FirmwareUpgrade.qml
@@ -43,7 +43,8 @@ QGCView {
     readonly property string highlightPrefix:   "<font color=\"" + qgcPal.warningText + "\">"
     readonly property string highlightSuffix:   "</font>"
     readonly property string welcomeText:       "QGroundControl can upgrade the firmware on Pixhawk devices, 3DR Radios and PX4 Flow Smart Cameras."
-    readonly property string plugInText:        highlightPrefix + "Plug in your device" + highlightSuffix + " via USB to " + highlightPrefix + "start" + highlightSuffix + " firmware upgrade"
+    readonly property string plugInText:        highlightPrefix + "Plug in your device" + highlightSuffix + " via USB to " + highlightPrefix + "start" + highlightSuffix + " firmware upgrade. " +
+                                                "Make sure to connect " + highlightPrefix + "directly" + highlightSuffix + " to a powered USB port on your computer, not through a USB hub."
     readonly property string qgcDisconnectText: "All QGroundControl connections to vehicles must be disconnected prior to firmware upgrade."
     property string usbUnplugText:              "Device must be disconnected from USB to start firmware upgrade. " +
                                                     highlightPrefix + "Disconnect {0}" + highlightSuffix + " from usb."