diff --git a/src/fr/devinsy/sikevadb/demo/SikevaDBDemo.java b/src/fr/devinsy/sikevadb/demo/SikevaDBDemo.java
index fd66176..1162a09 100644
--- a/src/fr/devinsy/sikevadb/demo/SikevaDBDemo.java
+++ b/src/fr/devinsy/sikevadb/demo/SikevaDBDemo.java
@@ -58,6 +58,7 @@ public final class SikevaDBDemo
 		SikevaDB database = null;
 		try
 		{
+			//
 			File homeDirectory = new File("/tmp/footest");
 			database = SikevaDBFactory.get(homeDirectory);
 
@@ -127,8 +128,8 @@ public final class SikevaDBDemo
 			}
 
 			//
-			System.out.println("Database values:\t" + database.countOfElements());
-			System.out.println("Database memory:\t" + database.memorySize() + " bytes");
+			System.out.println(String.format("Database values:\t %d elements", database.countOfElements()));
+			System.out.println(String.format("Database memory:\t %d bytes", database.memorySize()));
 
 			//
 			database.close();