@@ -154,7 +154,7 @@ type Info struct {

 	Images             int

 	Driver             string

 	DriverStatus       [][2]string

-	SystemStatus       [][2]string

+	SystemStatus       [][2]string // SystemStatus is only propagated by the Swarm standalone API

 	Plugins            PluginsInfo

 	MemoryLimit        bool

 	SwapLimit          bool

@@ -318,7 +318,7 @@ type ContainerState struct {

 }

 // ContainerNode stores information about the node that a container

-// is running on.  It's only available in Docker Swarm

+// is running on.  It's only used by the Docker Swarm standalone API

 type ContainerNode struct {

 	ID        string

 	IPAddress string `json:"IP"`

@@ -342,7 +342,7 @@ type ContainerJSONBase struct {

 	HostnamePath    string

 	HostsPath       string

 	LogPath         string

-	Node            *ContainerNode `json:",omitempty"`

+	Node            *ContainerNode `json:",omitempty"` // Node is only propagated by Docker Swarm standalone API

 	Name            string

 	RestartCount    int

 	Driver          string