diff --git a/Document.md b/Document.md
index f37f1cb..62f1b86 100644
--- a/Document.md
+++ b/Document.md
@@ -1,6 +1,11 @@
 Document is [SQLite](https://www.sqlite.org) database which contains all notes, tree structure, metadata and most of the configuration.
 
-It's stored in single file, by default in `trilium-data/document.db`
+It's stored in single file, by default in `trilium-data/document.db`, where `trilium-data` is stored in:
+
+* `/home/[user]/.local/share` for Linux
+* `C:\Users\[user]\AppData\Roaming` for Windows Vista and up
+* `/Users/[user]/Library/Preferences` for Mac OS
+* user's home if some of the paths above don't exist
 
 If you want to backup your Trilium data, just backup this single file - it contains everything you need.