PLA-1538 Clarify db settings in sample.env

Author: chriluos

sample.env

@@ -6,12 +6,14 @@ CCDC_LICENSING_CONFIGURATION=la-code;123456-123456-123456-123456-123456-123456;
 # Configure the server, port, user ID, and password to match your Postgres server
 DB_CONNECTIONSTRING=Server=database-server;Port=5432;User Id=postgres;Password=passwordhere
 
-#You don't need to change these unless you've modified the default database names
+# The database the CSD backup has been restored to
 CSD_DATABASE=csd-database
+
+# Database for the v4 login system. This will be created at application startup if it doesn't already exist. 
 IDENTITY_DATABASE=csd-identity
 
 # Defines the base URL for the platform
 PUBLIC_URI=https://csd-software.local
 
 #You don't need to change this unless you want to run on a different port
-PLATFORM_PORT=443
+PLATFORM_PORT=443