Document EJABBERD_CONFIG_PATH in ejabberdctl.cfg

ejabberdctl.cfg.example

@@ -148,6 +148,17 @@
 #
 #EJABBERD_PID_PATH=/var/run/ejabberd/ejabberd.pid
 
+#.
+#' EJABBERD_CONFIG_PATH: ejabberd configuration file
+#
+# Specify the full path to the ejabberd configuration file. If the file name has
+# a ".yml" extension, it is parsed as a YAML file; otherwise, Erlang syntax is
+# expected.
+#
+# Default: $ETC_DIR/ejabberd.yml
+#
+#EJABBERD_CONFIG_PATH=/etc/ejabberd/ejabberd.yml
+
 #.
 #'
 # vim: foldmarker=#',#. foldmethod=marker: