diff --git a/templates/XWiki/0/README.md b/templates/XWiki/0/README.md
index 75cdd23..2564a7d 100644
--- a/templates/XWiki/0/README.md
+++ b/templates/XWiki/0/README.md
@@ -7,4 +7,4 @@
 ### TODO
 
 * Fix issue with some page assets being delivered over http instead of https
-* Document setting up domain DNS
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+* Document setting up domain DNS for [wildcard Let's Encrypt certificates](https://docs.traefik.io/configuration/acme/#wildcard-domains)
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