doc/example-config: Update description of imap_id_send setting

diff --git a/doc/example-config/conf.d/20-imap.conf b/doc/example-config/conf.d/20-imap.conf
index c92afdd154ec03324378a589fc3cb23fc118d96f..d25c4e49d033b7c646ce3c9fbd8587e1611b9ead 100644 (file)
--- a/doc/example-config/conf.d/20-imap.conf
+++ b/doc/example-config/conf.d/20-imap.conf
@@ -41,11 +41,15 @@
 # IDLEing.
 #imap_idle_notify_interval = 2 mins
 
-# ID field names and values to send to clients. Using * as the value makes
-# Dovecot use the default value. The following fields have default values
-# currently: name, version, os, os-version, support-url, support-email,
-# revision.
-#imap_id_send = 
+# ID key and values to send to clients. The following list of keys have
+# default values currently: name, version, os, os-version, support-url,
+# support-email, revision. The default values can be accessed using the
+# following syntax: <key> = %{dovecot:<key>}, i.e. %{dovecot:name},
+# %{dovecot:support-url}, etc.
+#imap_id_send {
+#  name = %{dovecot:name}
+#  x-foobar = foovalue
+#}
 
 # Workarounds for various client bugs:
 #   delay-newmail: