diff --git a/README.md b/README.md
index ad1a8f4..8cc92a8 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,18 @@ The inital idea for this implementation was taken from
 
 ## BREAKING CHANGE
 
+Be careful if you try to migrate from 3.3.2! Backup your machines and data. The migration paths should be:
+- Backup your machines and data
+- Run latest 3.5 sharelatex image, make sure that you have enough free space and run the migration scripts:
+   - (Details see https://github.com/overleaf/overleaf/wiki/Full-Project-History-Migration)
+   - in principle following commands should work
+   ```
+    docker exec -it sharelatex-container-name /bin/bash
+    cd /overleaf/services/web
+    node scripts/history/migrate_history.js --force-clean --fix-invalid-characters --convert-large-docs-to-file
+    ```
+- run this sharelatex image (4.1.1)
+
 Be careful if you try to migrate from 3.3.2! Backup your machines and data. The migration paths should be:
 
 - Backup Your machines and data