added comments.

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1680936 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/dependencymanager/org.apache.felix.dependencymanager.samples/src/org/apache/felix/dependencymanager/samples/compositefactory/Activator.java b/dependencymanager/org.apache.felix.dependencymanager.samples/src/org/apache/felix/dependencymanager/samples/compositefactory/Activator.java
index 3f36cab..980d0aa 100644
--- a/dependencymanager/org.apache.felix.dependencymanager.samples/src/org/apache/felix/dependencymanager/samples/compositefactory/Activator.java
+++ b/dependencymanager/org.apache.felix.dependencymanager.samples/src/org/apache/felix/dependencymanager/samples/compositefactory/Activator.java
@@ -24,6 +24,10 @@
 import org.osgi.service.log.LogService;
 
 /**
+ * Defines a composite service using a composition manager that is used to
+ * instantiate component instances, depending of what is found from the configuration.
+ * The configuration is created from the org.apache.felix.dependencymanager.samples.conf.Configurator component.
+ *
  * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a>
  */
 public class Activator extends DependencyActivatorBase {