Fix readme with correct values in options (#396)

Author: AmadKowal

README.md

@@ -192,8 +192,8 @@ switch:
 | `unique_id`    | no       |         | string  | An ID that uniquely identifies the switch. Set this to a unique value to allow customization through the UI, auto generated when not set manually in config |
 | `invert_logic` | no       | `false` | boolean | If true, inverts the output logic to ACTIVE LOW                                                             |
 | `persistent`   | no       | `false` | boolean | If true, the switch state will be persistent in HA and will be restored if HA restart / crash               |
-| `pull_mode`    | no       | `AS_IS` | string  | Type of internal pull resistor to use: `UP` - pull-up resistor, `DOWN` - pull-down resistor, `AS-IS` no change |
-| `drive`        |no        | `PUSH_PULL`|string | control drive configuration of the GPIO, determines how the line behaves when it is set to output mode; `PUSH_PULL`, GPIO line can both source and sink current, can actively drive the line to both high and low states. `OPEN-DRAIN`, GPPIO can only sink current (drive the line to low) and is otherwise left floating, and `OPEN-SOURCE` the reverse.
+| `pull_mode`    | no       | `AS_IS` | string  | Type of internal pull resistor to use: `UP` - pull-up resistor, `DOWN` - pull-down resistor, `AS_IS` no change |
+| `drive`        |no        | `PUSH_PULL`|string | control drive configuration of the GPIO, determines how the line behaves when it is set to output mode; `PUSH_PULL`, GPIO line can both source and sink current, can actively drive the line to both high and low states. `OPEN_DRAIN`, GPPIO can only sink current (drive the line to low) and is otherwise left floating, and `OPEN_SOURCE` the reverse.
 
 For more details about the GPIO layout, visit the Wikipedia [article](https://en.wikipedia.org/wiki/Raspberry_Pi#General_purpose_input-output_(GPIO)_connector) about the Raspberry Pi.