diff --git a/index.html.markdown b/index.html.markdown
index 6eafafbc..3014125c 100644
--- a/index.html.markdown
+++ b/index.html.markdown
@@ -20,7 +20,6 @@ Use the navigation to the left to read about the available resources.
 # Configure the Google Cloud provider
 provider "google" {
     account_file = "account.json"
-    client_secrets_file = "client_secrets.json"
     project = "my-gce-project"
     region = "us-central1"
 }
@@ -39,33 +38,23 @@ The following keys can be used to configure the provider.
   your account credentials, downloaded from Google Cloud Console. More
   details on retrieving this file are below.
 
-* `client_secrets_file` - (Required) Path to the JSON file containing
-  the secrets for your account, downloaded from Google Cloud Console.
-  More details on retrieving this file are below.
-
 * `project` - (Required) The name of the project to apply any resources to.
 
 * `region` - (Required) The region to operate under.
 
-## Authentication JSON Files
+## Authentication JSON File
 
-Authenticating with Google Cloud services requires two separate JSON
-files: one which we call the _account file_ and the _client secrets file_.
+Authenticating with Google Cloud services requires a JSON
+file which we call the _account file_.
 
-Both of these files are downloaded directly from the
+This file is downloaded directly from the
 [Google Developers Console](https://console.developers.google.com). To make
-the process more straightforwarded, it is documented here.
+the process more straightforwarded, it is documented here:
 
 1. Log into the [Google Developers Console](https://console.developers.google.com)
    and select a project.
 
 2. Under the "APIs & Auth" section, click "Credentials."
 
-3. Create a new OAuth client ID and select "Installed application" as the
-   type of account. Once created, click the "Download JSON" button underneath
-   the account. The file should start with "client\_secret". This is your _client
-   secrets file_.
-
-4. Create a new OAuth client ID and select "Service account" as the type
-   of account. Once created, a JSON file should be downloaded. This is your
-   _account file_.
+3. Create a new OAuth client ID and select "Service account" as the type
+   of account. Once created, and after a P12 key is downloaded, a JSON file should be downloaded. This is your _account file_.