docs: fix local URLs

src/pages/understand-stacks/integrate-stacking.md

@@ -335,6 +335,6 @@ Below is a description of contract calls required to integrate delegation:
 2. For each delegation relationship that was created, the delegator calls the [`delegate-stack-stx`](/references/stacking-contract#delegate-stack-stx) method to lock up the STX token from the account holder. This method must be called during each cycle (unless specified for multiple cycles) and until the delegator locked up enough STX tokens required to participate in Stacking. This method will check the account balances. Once successfully executed, the STX tokens in the account will be locked up
 3. With pooling being completed and the minimum STX token threshold reached, the delegator calls the [`stack-aggregation-commit`](/references/stacking-contract#stack-aggregation-commit) to confirm participation in the next cycle(s)
 
-In case STX token holders want to terminate the delegation relationship before it terminates as planned, they can call the [`revoke-delegate-stx`](http://localhost:3000/references/stacking-contract#revoke-delegate-stx) method.
+In case STX token holders want to terminate the delegation relationship before it terminates as planned, they can call the [`revoke-delegate-stx`](/references/stacking-contract#revoke-delegate-stx) method.
 
 -> A delegator doesn't need to _own_ a minimum amount ot STX token to reach the threshold. However, they need funds to pay for transaction fees on the network.

src/pages/understand-stacks/network.md

@@ -15,7 +15,7 @@ STX amounts should be stored as integers (8 bytes long), and represent the amoun
 
 ## Fees
 
-Fees are used to incentivize miners to confirm transactions on the Stacks 2.0 blockchain. The fee is calculated based on the estimate fee rate and the size of the [raw transaction](http://localhost:3000/understand-stacks/transactions#serialization) in bytes. The fee rate is a market determined variable. For the [testnet](/understand-stacks/testnet), it is set to 1 micro-STX.
+Fees are used to incentivize miners to confirm transactions on the Stacks 2.0 blockchain. The fee is calculated based on the estimate fee rate and the size of the [raw transaction](/understand-stacks/transactions#serialization) in bytes. The fee rate is a market determined variable. For the [testnet](/understand-stacks/testnet), it is set to 1 micro-STX.
 
 Fee estimates can obtained through the [`GET /v2/fees/transfer`](https://blockstack.github.io/stacks-blockchain-api/#operation/get_fee_transfer) endpoint:
 
@@ -103,7 +103,7 @@ Sample response for a successful call:
 }
 ```
 
--> To set the function call arguments and read the result, [Clarity values](http://localhost:3000/understand-stacks/transactions#clarity-value-types) need to be serialized into a hexadecimal string. The [Stacks Transactions JS](https://github.com/blockstack/stacks.js/tree/master/packages/transactions) library supports these operations
+-> To set the function call arguments and read the result, [Clarity values](/understand-stacks/transactions#clarity-value-types) need to be serialized into a hexadecimal string. The [Stacks Transactions JS](https://github.com/blockstack/stacks.js/tree/master/packages/transactions) library supports these operations
 
 ## Querying