Fix broken link to DNS Overview

Signed-off-by: redoomed1 <[email protected]>

docs/dns.md

@@ -173,7 +173,7 @@ Encrypted DNS proxy software provides a local proxy for the [unencrypted DNS](ad
 **dnscrypt-proxy** is a DNS proxy with support for [DNSCrypt](advanced/dns-overview.md#dnscrypt), [DNS-over-HTTPS](advanced/dns-overview.md#dns-over-https-doh), and [Anonymized DNS](https://github.com/DNSCrypt/dnscrypt-proxy/wiki/Anonymized-DNS).
 
 <div class="admonition warning" markdown>
-<p class="admonition-title">The anonymized DNS feature does <a href="advanced/dns-overview.md#why-shouldnt-i0-use-encrypted-dns"><strong>not</strong></a> anonymize other network traffic.</p>
+<p class="admonition-title">The anonymized DNS feature does <a href="advanced/dns-overview.md#why-shouldnt-i-use-encrypted-dns"><strong>not</strong></a> anonymize other network traffic.</p>
 </div>
 
 [:octicons-repo-16: Repository](https://github.com/DNSCrypt/dnscrypt-proxy){ .md-button .md-button--primary }