Address Joe's comments

docs-2.0/nebula-dashboard/1.what-is-dashboard.md

@@ -4,23 +4,25 @@ Nebula Graph Dashboard (Dashboard for short) is a visualization tool that monito
 
 ## Features
 
-- Dashboard monitors the status of all the machines in clusters, including CPU, memory, load, disk, and network.
+Dashboard monitors:
 
-- Dashboard monitors the information of all the services in clusters, including the IP addresses, versions, and monitoring metrics (such as the number of queries, the latency of queries, the latency of heartbeats, and so on).
+- The status of all the machines in clusters, including CPU, memory, load, disk, and network.
+
+- The information of all the services in clusters, including the IP addresses, versions, and monitoring metrics (such as the number of queries, the latency of queries, the latency of heartbeats, and so on).
 
-- Dashboard monitors the information of clusters, including the information of services, partitions, configurations, and long-term tasks.
+- The information of clusters, including the information of services, partitions, configurations, and long-term tasks.
 
-- Features of the enterprise package (TODO: planning)
+Features of the enterprise package (TODO: planning)
 
 !!! enterpriseonly
 
-    Dashboard has two versions, open source and enterprise package. Most of the functions are available in both. The functions only supported by the enterprise package will be marked and explained.
+    Dashboard has two editions. One is open source, the other is for enterprises. Most of the functions are available in both. The functions only supported by the enterprise package will be marked and explained.
 
 ## Scenarios
 
 You can use Dashboard in one of the following scenarios:
 
-- You want to monitor key indicators conveniently and quickly, and present multiple key information of the business to ensure the business operates normally.
+- You want to monitor key metrics conveniently and quickly, and present multiple key information of the business to ensure the business operates normally.
 
 - You want to monitor clusters from multiple dimensions (such as the time, aggregate rules, and metrics).