docs: update SDK README

docs/api/sdk/README.md

@@ -295,7 +295,7 @@ Events can contain the following attributes, some of which are mandatory.
 | `network_type`        | string  | No       | One of<br/>- wifi<br/>- cellular<br/>- vpn<br/>- unknown<br/>- no_network   |
 | `network_provider`    | string  | No       | Example: airtel, T-mobile or "unknown" if unavailable.                      |
 | `network_generation`  | string  | No       | One of:<br/>- 2g<br/>- 3g<br/>- 4g<br/>- 5g<br/>- unknown                   |
-| `cpu_arch`            | string  | No       | The CPU architecture, eg. arm64                                             |
+| `device_cpu_arch`     | string  | No       | The CPU architecture, eg. arm64                                             |
 
 ### Attachments
 
@@ -411,12 +411,12 @@ Each exception object contains the thread information of the crashed thread and
 | `signal`                   | string  | Yes      | BSD termination signal         |
 | `thread_name`              | string  | Yes      | Name of thread                 |
 | `thread_sequence`          | Int     | Yes      | Thread number                  |
-| `operating_system_build`   | string  | Yes      | Operating system build number  |
+| `os_build_number`          | string  | Yes      | Operating system build number  |
 
 `thread` objects
 
 Each thread object contains further fields.
-Note: Only non-crashed threads are to be send in threads object.
+Note: Only non-crashed threads are to be send in thread object.
 
 | Field      | Type   | Optional | Comment                     |
 | ---------- | ------ | -------- | --------------------------- |