diff --git a/ROADMAP.md b/ROADMAP.md
index ed4e382c0..263e9d739 100644
--- a/ROADMAP.md
+++ b/ROADMAP.md
@@ -14,11 +14,12 @@ Please open an issue to track any initiative on the roadmap of Harbor. We will w
 
 ---
 
+### 0. Notary
 
-### 1. Image replication between Harbor instances 
+### 1. Image replication between Harbor instances (Completed)
 Enable images to be replicated between two or more Harbor instances. This is useful to have multiple registry servers servicing a large cluster of nodes, or have distributed registry instances with identical images.
 
-### 2. Image deletion and garbage collection 
+### 2. Image deletion and garbage collection (Completed)
 a) Images can be deleted from UI. The files of deleted images are not removed immediately. 
 
 b) The files of deleted images are recycled by an administrator during system maintenance(Garbage collection). The registry service must be shut down during the process of garbage collection.
diff --git a/docs/README.md b/docs/README.md
index 0f0105dbd..273e3f77c 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -1,5 +1,7 @@
 ## Table of Content
-### User document
+
+### User documents
+
 [Installation and Configuration Guide](installation_guide.md)   
 Read this first!
 
@@ -15,7 +17,8 @@ Data migration may be needed when upgrading Harbor to a newer version.
 [Deploy Harbor on Kubernetes](kubernetes_deployment.md)  
 Guide to deploy Harbor on Kubenetes. (maintained by community)
 
-### Developer document
+### Developer documents
+
 [Arthicture Overview of Harbor](https://github.com/vmware/harbor/wiki/Architecture-Overview-of-Harbor)  
 Developers read this first.
 
@@ -25,9 +28,30 @@ Use Swagger to find out the specs of Harbor API.
 [Internationalization Guide](developer_guide_i18n.md)  
 How to add your local language to Harbor.
 
+
 [Python SDK](../contrib/sdk/harbor-py) (by community)
 
 [Deploying Harbor using Docker Machine](../contrib/deploying_using_docker_machine.md) ( by community)
 
 [Configuring Harbor as a local registry mirror](../contrib/Configure_mirror.md) (by community)
 
+### Articles from the community
+
+[Remote site replicated Docker Registries with VMware Harbor](http://www.vmtocloud.com/remote-site-replicated-docker-registries-with-vmware-harbor/)
+
+[Hybrid cloud Docker Registry with VMware Harbor](http://www.vmtocloud.com/hybrid-cloud-docker-registry-with-vmware-harbor/)
+
+[Harbor Registry Blueprint for vRA](http://www.vmtocloud.com/harbor-registry-blueprint-is-here/)
+
+[Project Harbor in action](http://cormachogan.com/2016/08/05/project-harbor-action/)
+
+[Using vSphere docker volume driver to run Project Harbor on VSAN](http://cormachogan.com/2016/07/29/using-vsphere-docker-volume-driver-run-project-harbor-vsan/)
+
+[Architecture of Harbor: An Open Source Enterprise-class Registry Server](http://www.think-foundry.com/architecture-of-harbor-an-open-source-enterprise-class-registry-server/)
+
+[Overall Architecture of Harbor Registry](http://www.compare-review-information.com/overall-architecture-of-harbor-registry/)
+
+[Deploying a Private Secured Docker Registry in 15 Minutes](http://alexanderzeitler.com/articles/deploying-a-private-secured-docker-registry-within-15-minutes/)
+
+[Docker Private Registry Using Harbor](https://blog.imaginea.com/docker-private-registry-using-harbor-2/)
+