diff --git a/DOCS.md b/DOCS.md
index e6bc354..43490d5 100644
--- a/DOCS.md
+++ b/DOCS.md
@@ -9,6 +9,7 @@ The following parameters are used to configure this plugin:
 * `tag` - repository tag for the image
 * `insecure` - enable insecure communication to this registry
 * `mirror` - use a mirror registry instead of pulling images directly from the central Hub
+* `bip` - use for pass bridge ip
 * `storage_driver` - use `aufs`, `devicemapper`, `btrfs` or `overlay` driver
 * `save` - save image layers to the specified tar file (see [docker save](https://docs.docker.com/engine/reference/commandline/save/))
     * `file` - absolute / relative destination path