diff --git a/pmgconfig.adoc b/pmgconfig.adoc
index f44a43a..59d1cfc 100644
--- a/pmgconfig.adoc
+++ b/pmgconfig.adoc
@@ -73,6 +73,10 @@ The cluster setup.
 
 The list of relay domains.
 
+`/etc/pmg/dkim/domains`::
+
+The list of domains for outbound DKIM signing.
+
 `/etc/pmg/fetchmailrc`::
 
 Fetchmail configuration (POP3 and IMAP setup).
@@ -129,6 +133,10 @@ Internally used to generate CSRF tokens.
 
 Key and certificate (combined) to encrypt mail traffic (TLS).
 
+`/etc/pmg/dkim/<selector>.private`::
+
+Key for DKIM signing mails with selector '<selector>'.
+
 
 Service Configuration Templates
 -------------------------------