diff --git a/README.md b/README.md
index 5d921a1eb4f0442a0a46ca16a8c9043f55e0b527..e42c1835faf19ed4d116df02f80785a4c318cc98 100644
--- a/README.md
+++ b/README.md
@@ -6,11 +6,12 @@ This repo is an R package. This means:
 
  * package functions are kept in /R
  * help files auto-created by roxygen are in /man
- * if you clone it you can build it and use the functions.
+ * if you clone it you can build it and use the functions
+ * you (and we) keep your data out of it!
 
 We'd love your contributions - feel free to:
 
  * [fork & go](https://happygitwithr.com/fork-and-clone.html)
  * make a [new branch](https://git.soton.ac.uk/SERG/workflow/-/blob/master/howTo/gitBranches.md) in your fork
  * make some improvements
- * send us a pull request
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+ * send us a pull request (just code, no data please, keep your data [elsewhere](https://git.soton.ac.uk/SERG/workflow/-/blob/master/howTo/otherResources.md)!)
\ No newline at end of file