Update EquivalentVerifier.java

dmn-verifier-app/src/main/java/de/unikoblenz/fgbks/dmn/core/verifier/EquivalentVerifier.java

@@ -65,7 +65,7 @@ public class EquivalentVerifier extends AbstractVerifier {
 
   protected String getMessageText(RuleIdentifier r1, RuleIdentifier r2, String v1, String v2) {
     return String.format(
-        "In rule %d string \"%s\" and in rule %d string \"%s\": equal meaning? Are they synonyms?",
+        "\"%s\" in rule %d and \"%s\" in rule %d are synonyms. Rules might be equivalent.",
         r1.getRowNumber(), v1, r2.getRowNumber(), v2);
   }