Add better documentation

env.example

@@ -1,3 +1,5 @@
+# Copy this file to .env so that you can use tools like foreman or autoenv to
+# manage these environment variables. 
 
 # Which environment? (defaults to development)
 DJANGO_SETTINGS_MODULE=foia_hub.settings.dev
@@ -11,14 +13,14 @@ FOIA_SECRET_SESSION_KEY="CHANGE THIS"
 # Replace with a Google Analytics ID in production
 FOIA_ANALYTICS_ID=""
 
-# Enable the app's own webform. (Not recommended.)
+# Enable the app's own webform. (Not recommended)
 # FOIA_SHOW_WEBFORM=true
 
 # To use a sqlite3 DB:
 DATABASE_URL="sqlite:///./foia.db"
 
-# To use Postgres:
-# DATABASE_URL=postgres://username:password@host:5432/whatever
+# To use PostgreSQL:
+# DATABASE_URL="postgres://username:password@host:5432/databasename"
 
-# New Relic Key and Toggle, if there is a key new relic will run
+# New Relic Key and Toggle, if there is a key New Relic will run
 # NEW_RELIC_LICENSE_KEY=`licence key`