Reference pix payment method

Signed-off-by: joaobaptistanqda <[email protected]>

docs/flows/crypto-onramp.mdx

@@ -25,7 +25,7 @@ The crypto on-ramp flow allows a user to add funds from a credit or debit card t
   - `amount` (_optional_): Amount to be paid.
   - `asset`: Currency code in the [ISO 4217](https://www.iso.org/iso-4217-currency-codes.html) format used to make the payment.
   - `paymentMethod` (_optional_): An object configuring the pre-selected payment method.
-    - `network`: Payment method network (e.g.: `apple-pay`, `google-pay` or `card`).
+    - `network`: Payment method network (e.g.: `apple-pay`, `google-pay`, `pix` or `card`).
 - `target` (_optional_): An object configuring recipient wallet.
   - `amount` (_optional_): Amount the user will receive.
   - `asset`: Cryptoasset the user will receive.