diff --git a/README.md b/README.md
index 278ad9642..1f325ce9d 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 ![alt](resources/KubeVela-03.png)
 
-*Making shipping applications more enjoyable.*
+*Make shipping applications more enjoyable.*
 
 # KubeVela
 
diff --git a/docs/README.md b/docs/README.md
index 21a41fb8c..0cdd846d4 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -8,9 +8,9 @@ Learn and use KubeVela with tutorials and user stories.
 - [Concepts](concepts.md)
 
 **For Developers**
-- [Configuring Deployment Environment](developers/config-enviroments.md)
+- [Setting Up Deployment Environment](developers/config-enviroments.md)
 - [Deploying Application](developers/deploy-app.md)
-- [Visiting Application](developers/set-route.md)
+- [Setting Routes](developers/set-route.md)
 - [Setting Auto-scaling Policy](developers/set-autoscaling.md)
 - [Setting Rollout Strategy](developers/set-rollout.md)
 - [Monitoring Application](developers/set-metrics.md)
diff --git a/docs/developers/config-enviroments.md b/docs/developers/config-enviroments.md
index 0d8b6691a..6edc37145 100644
--- a/docs/developers/config-enviroments.md
+++ b/docs/developers/config-enviroments.md
@@ -1,10 +1,11 @@
-# Configuring Deployment Environments
+# Setting Up Deployment Environment
 
 Before working with your application, you need to prepare a deployment environment (e.g. test, staging, prod etc) which will configure the workspace, email for certificate issuer and domain for your application.
 
 ## Create environment
 
 > TODO `--namespace` and `--domain` should be able to skipped
+
 > TODO why don't use xip.io as demo?
 
 ```console
diff --git a/docs/developers/set-route.md b/docs/developers/set-route.md
index e9d990b2a..66264eab3 100644
--- a/docs/developers/set-route.md
+++ b/docs/developers/set-route.md
@@ -1,4 +1,4 @@
-# Visiting Application
+# Setting Routes
 
 Once your web services of the application is deployed, you can visit it from outside world via `route` feature. 
 
diff --git a/docs/install.md b/docs/install.md
index 0946b8d09..23766a5e0 100644
--- a/docs/install.md
+++ b/docs/install.md
@@ -35,6 +35,10 @@ This command will install KubeVela server components in your Kubernetes cluster.
 
 > TODO Paste a output of successful installation here.
 
+## Dependencies
+
+> TODO Describe how vela install handle Prometheus & Grafana, Flagger and KEDA, and what if user want to replace them with his own version. (It's fine to say KEDA, Flagger is a temporary fork and we will ship the fixes to upstreams very soon)
+
 
 ## Clean Up