diff --git a/README.md b/README.md
index e7db2be..bf4fa86 100644
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@@ -284,6 +284,8 @@ URL |API Key Required|Payment Link|Cost
 
 To add new languages you first need to train an Argos Translate model. See [this video](https://odysee.com/@argosopentech:7/training-an-Argos-Translate-model-tutorial-2022:2?r=DMnK7NqdPNHRCfwhmKY9LPow3PqVUUgw) for details.
 
+First you need to collect data, for example from [Opus](http://opus.nlpl.eu/), then you need to add the data to [data-index.json](https://github.com/argosopentech/argos-train/blob/master/data-index.json) in the [Argos Train](https://github.com/argosopentech/argos-train) repo.
+
 ## Roadmap
 
 Help us by opening a pull request!