added missing javadoc comments

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/functor/trunk@1175733 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/java/org/apache/commons/functor/core/composite/AbstractLoopProcedure.java b/src/main/java/org/apache/commons/functor/core/composite/AbstractLoopProcedure.java
index 5377b18..45f8b1b 100644
--- a/src/main/java/org/apache/commons/functor/core/composite/AbstractLoopProcedure.java
+++ b/src/main/java/org/apache/commons/functor/core/composite/AbstractLoopProcedure.java
@@ -35,10 +35,18 @@
      */
     private static final long serialVersionUID = -5903381842630236070L;
 
-    /** Base hash integer used to shift hash */
+    /** Base hash integer used to shift hash. */
     private static final int HASH_SHIFT = 4;
 
+    /**
+     * The condition has to be verified that while true,
+     * forces the action repetition.
+     */
     private final Predicate condition;
+
+    /**
+     * The action to be repeated until the condition is true.
+     */
     private final Procedure action;
 
     /**