minor changes

src/main/java/fr/soleil/cdma/box/data/StackedData.java

@@ -101,7 +101,7 @@ public abstract class StackedData extends ReferencedData {
     }
 
     /**
-     * Returns a bloc of data, accumulated as a stack and represented as a {@link FlatData}, at given position.
+     * Returns a block of data, accumulated as a stack and represented as a {@link FlatData}, at given position.
      * 
      * @param position The position.
      * @param shape The stacked data shape.