replaced placeholder content in getting started doc

content/v2.0/get-started/_index.md

@@ -1,10 +1,12 @@
 ---
 title: Get started with InfluxDB
-description: placeholder
+description: Simple steps for downloading, installing, and setting up InfluxDB.
 menu:
   v2_0:
     name: Get started
     weight: 1
 ---
 
+The following guide you through downloading, installing, and setting up InfluxDB.
+
 {{< children >}}

content/v2.0/get-started/install.md

@@ -1,7 +1,9 @@
 ---
 title: Install InfluxDB v2.0
 seotitle: Download and install InfluxDB v2.0
-description: placeholder
+description: >
+  Visit the InfluxData downloads page to download InfluxDB v2.0.
+  Add the influx and influxd binaries to your system $PATH.
 menu:
   v2_0:
     name: Install InfluxDB