message: Fix example in comments
  F
diff: @@ -63,8 +63,8 @@ Steps to run this example:
  as arguments Example: If you have test.plan and test2.plan in "../../../plugins/mission/" and you
  are running two drones in udp://:14540 and udp://:14541 then you run the example as:
  -./fly_multiple_drones udp://:14540 udp://:14541 ../../../plugins/mission/test.plan
  -../../../plugins/mission/test2.plan
  +./fly_multiple_drones udp://:14540 udp://:14541 ../../../src/plugins/mission/test.plan
  +../../../src/plugins/mission/test2.plan
  */
  