OVERVIEW.md in google-cloud-spanner-1.11.0 vs OVERVIEW.md in google-cloud-spanner-1.12.0

@@ -7,14 +7,14 @@
 For more information about Cloud Spanner, read the [Cloud Spanner
 Documentation](https://cloud.google.com/spanner/docs/).
 
 The goal of google-cloud is to provide an API that is comfortable to Rubyists.
 Your authentication credentials are detected automatically in Google Cloud
-Platform environments such as Google Compute Engine, Google App Engine and
-Google Kubernetes Engine. In other environments you can configure authentication
-easily, either directly in your code or via environment variables. Read more
-about the options for connecting in the {file:AUTHENTICATION.md Authentication
-Guide}.
+Platform (GCP), including Google Compute Engine (GCE), Google Kubernetes Engine
+(GKE), Google App Engine (GAE), Google Cloud Functions (GCF) and Cloud Run. In
+other environments you can configure authentication easily, either directly in
+your code or via environment variables. Read more about the options for
+connecting in the {file:AUTHENTICATION.md Authentication Guide}.
 
 ## Creating instances
 
 When you first use Cloud Spanner, you must create an instance, which is an
 allocation of resources that are used by Cloud Spanner databases. When you