diff --git a/README.md b/README.md
index f862459..0799b7f 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@
 * [master solidity](https://github.com/bt3gl-labs/1337_blockchain_hacker_toolkit/tree/main/master_solidity)
 * [the evm and opcodes](https://github.com/bt3gl-labs/1337_blockchain_hacker_toolkit/tree/main/evm_and_opcodes)
 * [smart contract vulns](https://github.com/bt3gl-labs/1337_blockchain_hacker_toolkit/tree/main/smart_contracts_vulnerabilities)
-* [top immunefi vulns](https://github.com/bt3gl-labs/1337_blockchain_hacker_toolkit/tree/main/top-immunefi-vulnerabilities)
+* [top immunefi vulns](https://github.com/bt3gl-labs/1337_blockchain_hacker_toolkit/tree/main/top_immunefi_vulnerabilities)
 * [gray hacker stuff](https://github.com/bt3gl-labs/1337_blockchain_hacker_toolkit/tree/main/gray_hat_stuff)
 * [foundry](https://github.com/bt3gl-labs/1337_blockchain_hacker_toolkit/tree/main/foundry)
 * [oracles](https://github.com/bt3gl-labs/1337_blockchain_hacker_toolkit/tree/main/oracles)