Apply suggestions from code review

Co-authored-by: Cem Aksoylar <[email protected]>

docs/docs/config/power.md

@@ -56,9 +56,9 @@ Definition file: [zmk/app/dts/bindings/zmk,gpio-key-wakeup-trigger.yaml](https:/
 | --------------- | ---------- | --------------------------------------------------------------------------------------------- |
 | `trigger`       | phandle    | Phandle to a GPIO key to be used to wake from soft off                                        |
 | `wakeup-source` | bool       | Mark this device as able to wake the keyboard                                                 |
-| `extra-gpios`   | GPIO array | :ist of GPIO pins (including the appropriate flags) to set active before going into power off |
+| `extra-gpios`   | GPIO array | list of GPIO pins (including the appropriate flags) to set active before going into power off |
 
-The `wakeup-source` property should always be present, otherwise this node is pointless. The `extra-gpios` property should be used to ensure the GPIO pin will trigger properly to wake the keyboard. For example, for a `col2row` matrix kscan, these are the column pins relevant for soft off.
+The `wakeup-source` property should always be present for this node to be useful. The `extra-gpios` property should be used to ensure the GPIO pin will trigger properly to wake the keyboard. For example, for a `col2row` matrix kscan, these are the column pins relevant for soft off.
 
 ## Soft Off Wakeup Sources