fix(docs): correct typo in constants description in FAssets minting guide

Author: fassko

docs/fassets/developer-guides/3-fassets-minting.mdx

@@ -74,7 +74,7 @@ The next step is to send the XRP Ledger payment to the agent, and you can use th
 ### XRP Payment Script Breakdown
 
 1. Install the `xrpl` package — it's not included in the Flare Hardhat Starter Kit by default.
-2. Specify the correct constants constants from the reserve collateral script:
+2. Specify the correct constants from the reserve collateral script:
    - `AGENT_ADDRESS` - Agent's XRP Ledger address.
    - `AMOUNT_XRP` - XRP amount to send.
    - `PAYMENT_REFERENCE` - Payment reference from the the reserve collateral script.