Add missing ps placeholder to the docs.
@@ -173,6 +173,7 @@ Placeholder | Description
`.Ports` | Exposed ports.
`.Status` | Container status.
`.Size` | Container disk size.
+`.Names` | Container names.
`.Labels` | All labels assigned to the container.
`.Label` | Value of a specific label for this container. For example `{{.Label "com.docker.swarm.cpu"}}`
