diff --git a/docs/deployment/methods/dockerfiles.md b/docs/deployment/methods/dockerfiles.md
index 4433c6cb5..3139474dd 100644
--- a/docs/deployment/methods/dockerfiles.md
+++ b/docs/deployment/methods/dockerfiles.md
@@ -26,10 +26,15 @@ For security reasons - and as per [Docker recommendations](https://github.com/do
 For users that require customization in the `build` phase, you may use build arguments via the [docker-options plugin](docs/advanced-usage/docker-options.md):
 
 ```shell
-dokku docker-options:add node-js-app build '--file Dockerfile.dokku' # e.g. to use alternate Dockerfile
 dokku docker-options:add node-js-app build '--build-arg NODE_ENV=production'
 ```
 
+The location of the `Dockerfile` may also be specified. If the location is changed, the repository **must also** have a `Dockerfile` in the root directory in order to trigger a dockerfile-based deploy.
+
+```shell
+dokku docker-options:add node-js-app build '--file Dockerfile.dokku'
+```
+
 Once set, the Dockerfile usage would be as follows:
 
 ```Dockerfile