AUTHENTICATION.md in google-cloud-spanner-admin-database-v1-0.6.1 vs AUTHENTICATION.md in google-cloud-spanner-admin-database-v1-0.7.0

@@ -64,14 +64,14 @@
 
 The environment variables that google-cloud-spanner-admin-database-v1
 checks for credentials are configured on the service Credentials class (such as
 {::Google::Cloud::Spanner::Admin::Database::V1::DatabaseAdmin::Credentials}):
 
-1. `SPANNER_CREDENTIALS` - Path to JSON file, or JSON contents
-2. `SPANNER_KEYFILE` - Path to JSON file, or JSON contents
-3. `GOOGLE_CLOUD_CREDENTIALS` - Path to JSON file, or JSON contents
-4. `GOOGLE_CLOUD_KEYFILE` - Path to JSON file, or JSON contents
-5. `GOOGLE_APPLICATION_CREDENTIALS` - Path to JSON file
+* `SPANNER_CREDENTIALS` - Path to JSON file, or JSON contents
+* `SPANNER_KEYFILE` - Path to JSON file, or JSON contents
+* `GOOGLE_CLOUD_CREDENTIALS` - Path to JSON file, or JSON contents
+* `GOOGLE_CLOUD_KEYFILE` - Path to JSON file, or JSON contents
+* `GOOGLE_APPLICATION_CREDENTIALS` - Path to JSON file
 
 ```ruby
 require "google/cloud/spanner/admin/database/v1"
 
 ENV["SPANNER_CREDENTIALS"] = "path/to/keyfile.json"