README.md in google-cloud-monitoring-0.27.0 vs README.md in google-cloud-monitoring-0.28.0

@@ -1,21 +1,22 @@
 # Ruby Client for Stackdriver Monitoring API ([Beta](https://github.com/GoogleCloudPlatform/google-cloud-ruby#versioning))
 
 [Stackdriver Monitoring API][Product Documentation]:
-Manages your Stackdriver Monitoring data and configurations. Most projects must
-be associated with a Stackdriver account, with a few exceptions as noted on the
-individual method pages.
+Manages your Stackdriver Monitoring data and configurations. Most projects
+must be associated with a Stackdriver account, with a few exceptions as
+noted on the individual method pages.
 - [Client Library Documentation][]
 - [Product Documentation][]
 
 ## Quick Start
 In order to use this library, you first need to go through the following
 steps:
 
 1. [Select or create a Cloud Platform project.](https://console.cloud.google.com/project)
-2. [Enable the Stackdriver Monitoring API.](https://console.cloud.google.com/apis/api/monitoring)
-3. [Setup Authentication.](https://googlecloudplatform.github.io/google-cloud-ruby/#/docs/google-cloud/master/guides/authentication)
+2. [Enable billing for your project.](https://cloud.google.com/billing/docs/how-to/modify-project#enable_billing_for_a_project)
+3. [Enable the Stackdriver Monitoring API.](https://console.cloud.google.com/apis/api/monitoring)
+4. [Setup Authentication.](https://googlecloudplatform.github.io/google-cloud-ruby/#/docs/google-cloud/master/guides/authentication)
 
 ### Installation
 ```
 $ gem install google-cloud-monitoring
 ```
@@ -39,9 +40,20 @@
   page.each do |element|
     # Process element.
   end
 end
 ```
+
+### Supported Ruby Versions
+
+This library is supported on Ruby 2.0+.
+
+However, Ruby 2.3 or later is strongly recommended, as earlier releases have
+reached or are nearing end-of-life. After June 1, 2018, Google will provide
+official support only for Ruby versions that are considered current and
+supported by Ruby Core (that is, Ruby versions that are either in normal
+maintenance or in security maintenance).
+See https://www.ruby-lang.org/en/downloads/branches/ for further details.
 
 ### Next Steps
 - Read the [Client Library Documentation][] for Stackdriver Monitoring API
   to see other available methods on the client.
 - Read the [Stackdriver Monitoring API Product documentation][Product Documentation]