-# ALT_CONFIG_PREFIX above), one per line. If the -C option is used to specify
-# a configuration file which matches a trusted prefix, root privileges are not
+# ALT_CONFIG_PREFIX above), one per line. If the -C option is used by the Exim
+# user or by the user specified in the CONFIGURE_OWNER setting, to specify a
+# configuration file which matches a trusted prefix, root privileges are not