Fix typo

src/PlanView/PlanView.qml

@@ -654,7 +654,7 @@ QGCView {
         id: syncLoadFromFileOverwrite
         QGCViewMessage {
             id:         syncLoadFromVehicleCheck
-            message:   qsTr("You have unsaved/unsent changes. Loading a from a file will lose these changes. Are you sure you want to load from a file?")
+            message:   qsTr("You have unsaved/unsent changes. Loading from a file will lose these changes. Are you sure you want to load from a file?")
             function accept() {
                 hideDialog()
                 masterController.loadFromSelectedFile()