fix typo in comment SafeProtocolManager.sol (#122)

broken link, fixed

contracts/SafeProtocolManager.sol

@@ -68,7 +68,7 @@ contract SafeProtocolManager is ISafeProtocolManager, RegistryManager, HooksMana
      * @dev Restrict the `to` field in the actions so that a module cannot execute an action that changes the config such as
      *      enabling/disabling other modules or make changes to its own access level for an account.
      *      In future, evaluate use of fine granined permissions model executing actions.
-     *      For more information, follow the disuccsion here: https://github.com/safe-global/safe-protocol-specs/discussions/7.
+     *      For more information, follow the disuccsion here: https://github.com/safe-global/safe-core-protocol-specs/discussions/7.
      * @param account Target account address
      * @param transaction A struct of type SafeTransaction containing information of about the action(s) to be executed.
      *                    Users can add logic to validate metadataHash through hooks.