update how dat works

faq.html

@@ -64,7 +64,7 @@ <h1>faq</h1>
     <h2>What kind of security does cabal have?</h2>
     <p>All traffic is encrypted using a symmetric key, meaning that anybody who has the <code>cabal://abcdef</code> key can read cabal network traffic.</p>
     <p>IP addresses are not hidden. By sniffing internet or local network traffic you could potentially discover who is involved in a cabal.</p>
-    <p>Cabal shares the same encryption primitives as <a href="https://dat.foundation">DAT</a>. The security parts of <i><a href="https://datprotocol.github.io/how-dat-works/">How Dat Works</a></i> is a good summary of how encryption works in cabal as well.</p>
+    <p>Cabal shares the same encryption primitives as <a href="https://dat.foundation">DAT</a>. The security parts of <i><a href="https://dat-ecosystem-archive.github.io/how-dat-works/">How Dat Works</a></i> is a good summary of how encryption works in cabal as well.</p>
     <p>Cabal's cryptography is yet to be audited.</p>
   </div>