document DOMAINS_D parameter in example config (fixes #575, closes #582)

diff --git a/docs/examples/config b/docs/examples/config
index 0ad86845bf505647024aa6e73010710a7cd1fffc..cdc8337a257cd38f0b75cfc895557c1f8cf58c52 100644 (file)
--- a/docs/examples/config
+++ b/docs/examples/config
@@ -40,6 +40,11 @@
 # default: <unset>
 #CONFIG_D=
 
+# Directory for per-domain configuration files.
+# If not set, per-domain configurations are sourced from each certificates output directory.
+# default: <unset>
+#DOMAINS_D=
+
 # Base directory for account key, generated certificates and list of domains (default: $SCRIPTDIR -- uses config directory if undefined)
 #BASEDIR=$SCRIPTDIR