diff --git a/README.md b/README.md
index 762a9e8..93883a1 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,9 @@ Run `update-artemis.bat`, which will download the latest version of ARTEMiS, upd
 ## Running ARTEMiS
 Double click `start.bat`. That's it.
 
+## Updating from a previous artemis-portable installation
+Extract the new artemis-portable, then copy the `mariadb` folder over to keep your user data.
+
 ## Download
 includes chunithm sun+ data, maimai fes+ data (G011-G031), ongeki bright memory data (up to A108)