diff --git a/config/jail.conf b/config/jail.conf
index 09e57bf9..5c4e0259 100644
--- a/config/jail.conf
+++ b/config/jail.conf
@@ -79,6 +79,11 @@ maxretry = 5
 #              See "journalmatch" in the jails associated filter config
 # auto:      will try to use the following backends, in order:
 #              pyinotify, gamin, polling.
+#
+# Note: if systemd backend is choses as the default but you enable a jail
+#       for which logs are present only in its own log files, specify some other
+#       backend for that jail (e.g. polling) and provide empty value for
+#       journalmatch. See https://github.com/fail2ban/fail2ban/issues/959#issuecomment-74901200
 backend = auto
 
 # "usedns" specifies if jails should trust hostnames in logs,