diff --git a/screening/source/java/ch/systemsx/cisd/openbis/dss/etl/dto/api/v1/transformations/ConvertToolImageTransformer.java b/screening/source/java/ch/systemsx/cisd/openbis/dss/etl/dto/api/v1/transformations/ConvertToolImageTransformer.java
index a564de6429841667ec3b7aab0a773d3240a4e168..171285ed5ea347273f5bb6f00dbdebc1f76d436c 100644
--- a/screening/source/java/ch/systemsx/cisd/openbis/dss/etl/dto/api/v1/transformations/ConvertToolImageTransformer.java
+++ b/screening/source/java/ch/systemsx/cisd/openbis/dss/etl/dto/api/v1/transformations/ConvertToolImageTransformer.java
@@ -53,9 +53,6 @@ import ch.systemsx.cisd.openbis.dss.etl.dto.api.v1.transformations.ConvertToolIm
 
 /**
  * An {@link IStreamingImageTransformer} using the convert command line tool for transformations.
- * <p>
- * Warning: The serialized version of this class can be stored in the database for each image.
- * Moving this class to a different package would make all the saved transformations invalid.
  * 
  * @author Kaloyan Enimanev
  */
diff --git a/screening/source/java/ch/systemsx/cisd/openbis/dss/etl/dto/api/v1/transformations/ConvertToolImageTransformerFactory.java b/screening/source/java/ch/systemsx/cisd/openbis/dss/etl/dto/api/v1/transformations/ConvertToolImageTransformerFactory.java
index 5f42c42506ae2b76e71657c21c41d3461b77c881..f214e97231eaf033b21e1ed0dbf3c91a8faf0c66 100644
--- a/screening/source/java/ch/systemsx/cisd/openbis/dss/etl/dto/api/v1/transformations/ConvertToolImageTransformerFactory.java
+++ b/screening/source/java/ch/systemsx/cisd/openbis/dss/etl/dto/api/v1/transformations/ConvertToolImageTransformerFactory.java
@@ -21,6 +21,10 @@ import ch.systemsx.cisd.base.image.IStreamingImageTransformerFactory;
 /**
  * A {@link IStreamingImageTransformerFactory} that constructs {@link ConvertToolImageTransformer}
  * instances.
+ * <p>
+ * Warning: The serialized version of this class can be stored in the database for each image.
+ * Moving this class to a different package or changing it in a backward incompatible way would make
+ * all the saved transformations invalid.
  * 
  * @author Kaloyan Enimanev
  */
@@ -42,15 +46,14 @@ public class ConvertToolImageTransformerFactory implements IStreamingImageTransf
     }
 
     /**
-     * Constructs the factory with {@link ToolChoice#PREFER_IMAGEMAGICK}. 
+     * Constructs the factory with {@link ToolChoice#PREFER_IMAGEMAGICK}.
      */
     public ConvertToolImageTransformerFactory(String convertCliArguments)
     {
         this(convertCliArguments, ToolChoice.ENFORCE_IMAGEMAGICK);
     }
 
-    public ConvertToolImageTransformerFactory(String convertCliArguments,
-            ToolChoice choice)
+    public ConvertToolImageTransformerFactory(String convertCliArguments, ToolChoice choice)
     {
         this.convertCliArguments = convertCliArguments;
         this.choice = choice;