diff --git a/content/u/products/ipv4-to-ipv6-proxy/contents.lr b/content/u/products/ipv4-to-ipv6-proxy/contents.lr
index 4e6d2ae..2beff03 100644
--- a/content/u/products/ipv4-to-ipv6-proxy/contents.lr
+++ b/content/u/products/ipv4-to-ipv6-proxy/contents.lr
@@ -57,3 +57,9 @@ If you are providing services that are only reachable by IPv4 and want
 to make them accessible by IPv6, our [IPv6-to-IPv4
 Proxy](../ipv6-to-ipv4-proxy/) helps you to accomplish the opposite
 translation.
+
+## Technical documentation
+
+Technical details about the service can be found on
+[the redmine
+wiki](https://redmine.ungleich.ch/projects/open-infrastructure/wiki/How_to_use_the_IPv4-to-IPv6-Proxy).