Update README.md

README.md

@@ -40,6 +40,10 @@ Uses [LanceDB](https://github.com/lancedb/lancedb) embedded vector database for
 1. Download from the [Releases](https://github.com/reorproject/reor/releases) tab available for all major operating systems
 2. Install like a normal App.
 
+### Importing from other apps
+Reor works with a single directory of markdowns in a filesystem. Everything that is done in Reor is written to that directory. You choose the directory on first boot of the app.
+As such, to import notes/files from another app, you'll need to populate that directory manually with markdown files. Integrations are hopefully coming soon!
+
 ### Contribute
 Contributions are welcome. Help with bugs, features, or documentation. See [Contributing Guide](link_to_contributing_guide).