PD-20182 Fixed typos in README.rst.

Author: Jarrad Lee

README.rst

@@ -25,7 +25,7 @@ With just two classes, **telesign.api** abstracts much of the complexity of the
 +----------------------+--------------------------------------------------------------------------+ 
 | Python Class         | Description                                                              | 
 +======================+==========================================================================+ 
-| telesign.api.PhoneId | The **PhoneId** class exposes three services that each provide           | 
+| telesign.api.PhoneId | The **PhoneId** class exposes four services that each provide            |
 |                      | information about a specified phone number.                              | 
 |                      |                                                                          | 
 |                      | *standard*                                                               | 
@@ -46,7 +46,7 @@ With just two classes, **telesign.api** abstracts much of the complexity of the
 |                      |     provides actionable data associated with the specified phone number. |
 |                      |                                                                          | 
 +----------------------+--------------------------------------------------------------------------+ 
-| telesign.api.Verify  | The **Verify** class exposes two services for sending users a            | 
+| telesign.api.Verify  | The **Verify** class exposes four services for sending users a           |
 |                      | verification token (a three to five-digit number). You can use this      | 
 |                      | mechanism to simply test whether you can reach users at the phone number | 
 |                      | they supplied, or you can have them use the token to authenticate        |