diff --git a/docs/rolereference.rst b/docs/rolereference.rst
index 0676d0f631faed9a5c2ffd98860e95dad643df81..2048589d2dfae556de58c8737bcd3c01a930eb99 100644
--- a/docs/rolereference.rst
+++ b/docs/rolereference.rst
@@ -904,7 +904,7 @@ Parameters
   Prosody. Each item is a string with value equal to XMPP user ID
   (i.e. ``john.doe@example.com``).
 
-**xmpp_domains** (list, optional, ``{{ ansible_domain }}``)
+**xmpp_domains** (list, mandatory)
   List of domains that are served by this Prosody instance. Each item is a
   string specifying a domain.