diff --git a/jsprit-core/src/main/java/jsprit/core/util/VehicleRoutingTransportCostsMatrix.java b/jsprit-core/src/main/java/jsprit/core/util/VehicleRoutingTransportCostsMatrix.java
index 170cc424..0c378033 100644
--- a/jsprit-core/src/main/java/jsprit/core/util/VehicleRoutingTransportCostsMatrix.java
+++ b/jsprit-core/src/main/java/jsprit/core/util/VehicleRoutingTransportCostsMatrix.java
@@ -176,6 +176,8 @@ public class VehicleRoutingTransportCostsMatrix extends AbstractForwardVehicleRo
 		public VehicleRoutingTransportCostsMatrix build(){
 			return new VehicleRoutingTransportCostsMatrix(this);
 		}
+		
+		
 	}
 	
 	private Map<RelationKey,Double> distances = new HashMap<RelationKey, Double>();
diff --git a/jsprit-instances/src/main/java/jsprit/instance/reader/LuiShenReader.java b/jsprit-instances/src/main/java/jsprit/instance/reader/LuiShenReader.java
index 4198f6ab..1c043b62 100644
--- a/jsprit-instances/src/main/java/jsprit/instance/reader/LuiShenReader.java
+++ b/jsprit-instances/src/main/java/jsprit/instance/reader/LuiShenReader.java
@@ -50,7 +50,7 @@ public class LuiShenReader {
 	}
 	
 	/**
-	 * Reads input files to build luiShen problem.
+	 * Reads input files to build Liu Shen problem.
 	 * 
 	 * <p>The instance-file is a solomon file. The vehicle-file is a
 	 * txt-file that has the following columns: