GP-31 fix javadoc

Author: tboychuk

4-0-object-oriented-programming/src/main/java/com/bobocode/flight_search/service/FlightService.java

@@ -8,8 +8,8 @@
 /**
  * {@link FlightService} provides an API that allows to manage flight numbers
  * <p>
- * todo: 1. Using {@link FlightDao} implement method {@link FlightService#registerFlight(String)}
- * todo: 2. Using {@link FlightDao} implement method {@link FlightService#searchFlights(String)}
+ * todo: 1. Using {@link com.bobocode.flight_search.data.FlightDao} implement method {@link FlightService#registerFlight(String)}
+ * todo: 2. Using {@link com.bobocode.flight_search.data.FlightDao} implement method {@link FlightService#searchFlights(String)}
  */
 public class FlightService {