README.md in lockbox-1.3.3 vs README.md in lockbox-1.4.0

@@ -192,11 +192,11 @@
 ```ruby
 class User < ApplicationRecord
   has_encrypted :email
 
   # remove this line after dropping email column
-  self.ignored_columns = ["email"]
+  self.ignored_columns += ["email"]
 end
 ```
 
 Finally, drop the unencrypted column.
 
@@ -1011,24 +1011,9 @@
 `encrypts` is now deprecated in favor of `has_encrypted` to avoid conflicting with Active Record encryption.
 
 ```ruby
 class User < ApplicationRecord
   has_encrypted :email
-end
-```
-
-### 0.6.0
-
-0.6.0 adds `encrypted: true` to Active Storage metadata for new files. This field is informational, but if you prefer to add it to existing files, use:
-
-```ruby
-User.with_attached_license.find_each do |user|
-  next unless user.license.attached?
-
-  metadata = user.license.metadata
-  unless metadata["encrypted"]
-    user.license.blob.update!(metadata: metadata.merge("encrypted" => true))
-  end
 end
 ```
 
 ## History