example-config: Updated deliver_log_format comments

diff --git a/doc/example-config/conf.d/10-logging.conf b/doc/example-config/conf.d/10-logging.conf
index 5f2c25c1501850b8c43d1a3dc500074b79502fd5..14798f1fd68709fcedc4ed2260b353fc0dd20431 100644 (file)
--- a/doc/example-config/conf.d/10-logging.conf
+++ b/doc/example-config/conf.d/10-logging.conf
@@ -74,7 +74,8 @@ plugin {
 # possible variables you can use.
 #mail_log_prefix = "%s(%u): "
 
-# Format to use for logging mail deliveries. You can use variables:
+# Format to use for logging mail deliveries. See doc/wiki/Variables.txt for
+# list of all variables you can use. Some of the common ones include:
 #  %$ - Delivery status message (e.g. "saved to INBOX")
 #  %m - Message-ID
 #  %s - Subject