diff --git a/docs/operations-guide/running-the-metabase-mac-app.md b/docs/operations-guide/running-the-metabase-mac-app.md
index 94b2b9c518f8d9ecb04c5d7068c077ce0321f3a2..6c2715ed88042f5b3e21202ad21d0c281ae29aa3 100644
--- a/docs/operations-guide/running-the-metabase-mac-app.md
+++ b/docs/operations-guide/running-the-metabase-mac-app.md
@@ -24,3 +24,10 @@ Give the application a moment to finish initializing and then you should see the
 ![macwelcome](images/MacWelcome.png)
 
 Now that you’ve installed Metabase, it’s time to [set it up and connect it to your database](../setting-up-metabase.md).
+
+### The application database
+
+The application database lives on your filesystem, at 
+`~/Library/Application Support/Metabase/metabase.db.h2.db`
+
+If you want to delete it, back it up, or replace it with an old backup, shut down the application and then delete, copy or replace the file.