diff --git a/imixs-archive-exporter/src/test/java/org/imixs/archive/exporter/TestFilter.java b/imixs-archive-exporter/src/test/java/org/imixs/archive/exporter/TestFilter.java
index 5a795ca..1834cd7 100644
--- a/imixs-archive-exporter/src/test/java/org/imixs/archive/exporter/TestFilter.java
+++ b/imixs-archive-exporter/src/test/java/org/imixs/archive/exporter/TestFilter.java
@@ -8,15 +8,15 @@
 
 /**
  * Test the Optional expression
- * 
+ *
  * @author rsoika
- * 
+ *
  */
 public class TestFilter {
 
     /**
      * Test filter regex
-     * 
+     *
      */
     @Test
     public void testOptional() {