message: More doc updates.
diff: @@ -55,39 +55,24 @@ version. These features will be rolled out in future updates._
  decrypt: true
  }
  - blockstack.getFile("/message.txt", true, options)
  + blockstack.getFile("/message.txt", options)
  .then((fileContents) => {
  // get & decrypt the contents of the file /message.txt
  assert(fileContents === "Secret hello!")
  });
  ```
  -## Creating a publicly readable file
  +## Reading another user's unencrypted file
  +In order for files to be publicly readable, the app must request
  +the `publish_data` scope during authentication.
  -In order to create publicly readable files on behalf of the user,
  -the app must request the `app_index` scope during authentication.
  -
  -```JavaScript
  - let options = {
  - public: true
  - }
  -
  - blockstack.putFile("/message.txt", "hello world!", options)
  - .then(() => {
  - // message.txt exists now, and has the contents "hello world!".
  - // it is also listed in the user's app index file for your app
  - // and is discoverable
  - })
  -```
  -
  -## Reading a public file of another user
  ```JavaScript
  let options = {
  user: 'ryan.id', // the Blockstack ID of the user for which to lookup the file
  app: 'BlockstackApp.com' // origin of the app this file is stored for
  }
  - blockstack.getFile("/message.txt", true, options)
  + blockstack.getFile("/message.txt", options)
  .then((fileContents) => {
  // get the contents of the file /message.txt
  assert(fileContents === "hello world!")
  