Merge pull request #234 from crytic/montyly-patch-1

Update README.md

not-so-smart-contracts/substrate/validate_unsigned/README.md

@@ -45,5 +45,5 @@ Note that the simplest solution would be to sign the offchain submissions so tha
 - https://docs.substrate.io/main-docs/fundamentals/transaction-types/#unsigned-transactions
 - https://docs.substrate.io/main-docs/fundamentals/offchain-operations/
 - https://github.com/paritytech/substrate/blob/polkadot-v0.9.26/frame/examples/offchain-worker/src/lib.rs
-- https://docs.substrate.io/reference/how-to-guides/offchain-workers/offchain-transactions/
-- https://docs.substrate.io/reference/how-to-guides/offchain-workers/offchain-http-requests/
+- https://docs.substrate.io/tutorials/work-with-pallets/add-offchain-workers/
+- https://docs.substrate.io/reference/how-to-guides/offchain-workers/offchain-http-requests/