fix(docs): broken links

Author: 0xreflexivity

docs/fassets/developer-guides/13-fassets-automint.mdx

@@ -22,7 +22,7 @@ This guide demonstrates an end-to-end workflow that allows XRPL users to:
 **Key technologies:**
 
 - [Flare Smart Accounts](/smart-accounts/overview) - Account abstraction enabling XRPL users to execute actions on Flare without holding FLR tokens.
-- [Custom Instructions](/smart-accounts/custom-instruction) - Register arbitrary contract calls that can be triggered via XRPL payments.
+- **Custom Instructions** - Register arbitrary contract calls that can be triggered via XRPL payments.
 - [FAsset System](/fassets/overview) for tokenizing non-smart contract assets (XRP to FXRP).
 - [LayerZero OFT](https://docs.layerzero.network/v2/developers/evm/oft/quickstart) for cross-chain token transfers.
 - [@flarenetwork/smart-accounts-encoder](https://www.npmjs.com/package/@flarenetwork/smart-accounts-encoder) library for encoding FAsset instructions.
@@ -47,7 +47,7 @@ When sent via an XRPL payment memo:
 
 ### 2. Custom Instruction for Atomic Bridging
 
-[Custom instructions](/smart-accounts/custom-instruction) allow registering arbitrary contract calls that execute atomically.
+Custom instructions allow registering arbitrary contract calls that execute atomically.
 This script registers an **atomic batch** containing:
 
 1. **Approve**: Grant the OFT Adapter permission to spend FXRP tokens.
@@ -123,7 +123,7 @@ Both actions execute in a single transaction when triggered by the XRPL payment,
 ## Prerequisites
 
 - **XRPL Testnet Account**: An XRP Ledger testnet wallet with XRP for payments.
-  Get testnet XRP from the [XRP Testnet Faucet](https://faucet.altnet.rippletest.net/).
+  Get testnet XRP from the [XRP Testnet Faucet](https://xrpl.org/resources/dev-tools/xrp-faucets).
 - **Flare Testnet Account**: An EVM wallet with C2FLR for gas fees.
   Get C2FLR from the [Flare Testnet Faucet](https://faucet.flare.network/coston2).
 - **Environment Setup**: Private keys configured in Hardhat.
@@ -183,7 +183,7 @@ const CONFIG = {
 
 ### Step 1: Register the Bridge Instruction
 
-The script first registers a [custom instruction](/smart-accounts/custom-instruction) with the `MasterAccountController`.
+The script first registers a custom instruction with the `MasterAccountController`.
 This instruction bundles two contract calls into an atomic batch:
 
 ```typescript