README.md in kms_encrypted-0.1.1 vs README.md in kms_encrypted-0.1.2

@@ -31,21 +31,21 @@
 
 ```ruby
 add_column :users, :encrypted_kms_key, :string
 ```
 
-Create a [KMS master key](https://console.aws.amazon.com/iam/home#/encryptionKeys) and set it in your environment (we recommend [dotenv](https://github.com/bkeepers/dotenv))
+Create a [KMS master key](https://console.aws.amazon.com/iam/home#/encryptionKeys) and set it in your environment ([dotenv](https://github.com/bkeepers/dotenv) is great for this)
 
 ```sh
 KMS_KEY_ID=arn:aws:kms:...
 ```
 
 And update your model
 
 ```ruby
 class User < ApplicationRecord
-  has_kms_key ENV["KMS_KEY_ID"]
+  has_kms_key
 
   attr_encrypted :email, key: :kms_key
 end
 ```
 
@@ -76,11 +76,11 @@
     {"Record" => "#{model_name}/#{id}"}
   end
 end
 ```
 
-We recommend [Amazon Athena](https://aws.amazon.com/athena/) for querying CloudTrail logs. Create a table (thanks to [this post](http://www.1strategy.com/blog/2017/07/25/auditing-aws-activity-with-cloudtrail-and-athena/) for the table structure) with:
+[Amazon Athena](https://aws.amazon.com/athena/) is great for querying CloudTrail logs. Create a table (thanks to [this post](http://www.1strategy.com/blog/2017/07/25/auditing-aws-activity-with-cloudtrail-and-athena/) for the table structure) with:
 
 ```sql
 CREATE EXTERNAL TABLE cloudtrail_logs (
     eventversion STRING,
     userIdentity STRUCT<
@@ -157,11 +157,11 @@
 KMS_KEY_ID=arn:aws:kms:...
 ```
 
 and run
 
-```sh
+```ruby
 User.find_each do |user|
   user.rotate_kms_key!
 end
 ```
 
@@ -177,11 +177,11 @@
 
 And update your model
 
 ```ruby
 class User < ApplicationRecord
-  has_kms_key ENV["KMS_KEY_ID"]
-  has_kms_key ENV["KMS_KEY_ID"], name: :phone
+  has_kms_key
+  has_kms_key name: :phone, key_id: "..."
 
   attr_encrypted :email, key: :kms_key
   attr_encrypted :phone, key: :kms_key_phone
 end
 ```