Update README

README.rst

@@ -53,7 +53,12 @@ The simplest way to use this package from a terminal is to call ``Blink.start()`
     blink = blinkpy.Blink(username='YOUR USER NAME', password='YOUR PASSWORD', refresh_rate=30)
     blink.start()
 
-If you would like to log in without setting up the cameras or system, you can simply call the ``Blink.login()`` function which will prompt for a username and password and then authenticate with the server.  This is useful if you want to avoid use of the ``start()`` function which simply acts as a wrapper for more targeted API methods.
+At startup, you may ne prompted for a verification key.  Just enter this in the command-line prompt.  If you just receive a verification email asking to validate access for your device, enter nothing at this prompt.  To avoid any command-line interaction, call the ``Blink`` class with the ``no_prompt=True`` flag.  Instead, once you receive the verification email, call the following functions:
+
+.. code:: python
+
+    blink.login_handler.send_auth_key(blink, VERIFICATION_KEY)
+    blink.setup_post_verify()
 
 In addition, you can also save your credentials in a json file and initialize Blink with the credential file as follows: