update wiki-link

Author: superstes

README.md

@@ -13,7 +13,7 @@ NFTables CAN resolve DNS-records - but will throw an error if the record resolve
 * [IPLists](https://github.com/superstes/nftables_addon_iplist)
 * [Failover](https://github.com/superstes/nftables_addon_failover)
 
-NFTables documentation: [wiki.superstes.eu](https://wiki.superstes.eu/en/latest/1/network/nftables.html)
+NFTables documentation: [wiki.superstes.eu](https://wiki.superstes.eu/en/latest/1/network/firewall_nftables.html)
 
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