Fixed comment typo

src/comm/MAVLinkSimulationMAV.cc

@@ -169,7 +169,7 @@ void MAVLinkSimulationMAV::mainloop()
         // SYSTEM STATUS
         mavlink_sys_status_t status;
         
-        // Since the simulation outputs global position, attiude and raw pressure we specify that the
+        // Since the simulation outputs global position, attitude and raw pressure we specify that the
         // sensors that would be collecting this information are present, enabled and healthy.
         
         status.onboard_control_sensors_present = MAV_SYS_STATUS_SENSOR_3D_GYRO |