fix of infotext

init.lua

@@ -435,6 +435,10 @@ minetest.register_entity("helicopter:heli", {
         end
 
 		if name == self.driver_name then
+            local properties = self.object:get_properties()
+            properties.infotext = "Nice helicopter of " .. self.owner
+            self.object:set_properties(properties)
+
 			-- driver clicked the object => driver gets off the vehicle
 			self.driver_name = nil
 			-- sound and animation