Use plural in enum description (#396)

Complements 87e602a.

Author: dr0i

metafacture-triples/src/main/java/org/metafacture/triples/AbstractTripleSort.java

@@ -39,14 +39,14 @@
 public abstract class AbstractTripleSort extends DefaultObjectPipe<Triple, ObjectReceiver<Triple>> implements MemoryWarningSystem.Listener {
 
     /**
-     * The comparator.
+     * The comparators.
      */
     public enum Compare {
         SUBJECT, PREDICATE, OBJECT, ALL
     }
 
     /**
-     * The sort order.
+     * The sort orders.
      */
     public enum Order {
         INCREASING {