diff --git a/sources/zweic/Parser.scala b/sources/zweic/Parser.scala
index 1b9081f..2624d98 100755
--- a/sources/zweic/Parser.scala
+++ b/sources/zweic/Parser.scala
@@ -179,8 +179,7 @@
     case INT => nextToken; return null;
     case NULLTYPE => nextToken; return null;
     case ident => nextToken; return null;
-    //TODO: better error message
-    case _ => error("illegal start of expression"); return null;
+    case _ => error("'Int', 'Null' or identifier token"); return null;
   }
 
   /**
@@ -333,7 +332,7 @@
 		case LPAREN => nextToken; expression(); accept(RPAREN);
 		case LACCOLADE => block();
 		case NEW => nextToken; accept(IDENT); params();
-		case _ => error("illegal start of expression");
+		case _ => error("Identifier, Number, String, 'true', 'false', 'this', 'null', 'readInt', 'readChar', '(Expression)', '{Block}' or 'new'");
 	}
 
 	while ( check(DOT) ) {