Merge branch 'master' of gitlab.fit.cvut.cz:travnja3/automata-library

alib2data/src/automaton/FSM/DFA.cpp

@@ -71,8 +71,8 @@ bool DFA::addTransition(const State& from, const alphabet::Symbol& input, const
 			return false;
 		else
 			throw AutomatonException(
-				"Transition (\"" + (std::string) from.getName() + "\", \"" + (std::string) input + "\") -> \"" + (std::string) to.getName()
-						+ "\" already exists.");
+				"Transition from this state and symbol already exists (\"" + (std::string) from.getName() + "\", \"" + (std::string) input + "\") -> \"" + (std::string) to.getName()
+						+ "\".");
 	}
 	
 	transitions.insert(std::make_pair(key, to));