Add some javadoc.
diff --git a/containers-examples/containers-example-osgiservlet/src/main/java/org/apache/aries/containers/examples/osgiservlet/MyServletContext.java b/containers-examples/containers-example-osgiservlet/src/main/java/org/apache/aries/containers/examples/osgiservlet/MyServletContext.java
index 74d8736..9e52720 100644
--- a/containers-examples/containers-example-osgiservlet/src/main/java/org/apache/aries/containers/examples/osgiservlet/MyServletContext.java
+++ b/containers-examples/containers-example-osgiservlet/src/main/java/org/apache/aries/containers/examples/osgiservlet/MyServletContext.java
@@ -22,6 +22,12 @@
 import org.osgi.service.http.context.ServletContextHelper;
 import org.osgi.service.http.whiteboard.HttpWhiteboardConstants;
 
+/**
+ * This Servlet Context Helper is provided to make it easy to deploy this example
+ * in environments where the default servlet context is already used by other
+ * components. It makes all servlets associated with this context available
+ * on the /containers path.
+ */
 @Component(service = ServletContextHelper.class, property = {
         HttpWhiteboardConstants.HTTP_WHITEBOARD_CONTEXT_NAME + "=" + MyServletContext.NAME,
         HttpWhiteboardConstants.HTTP_WHITEBOARD_CONTEXT_PATH + "=/containers" })