README.md in strong_migrations-1.4.0 vs README.md in strong_migrations-1.4.1

@@ -822,9 +822,15 @@
 
 The major version works well for Postgres, while the full version is recommended for MySQL and MariaDB.
 
 For safety, this option only affects development and test environments. In other environments, the actual server version is always used.
 
+If your app has multiple databases with different versions, with Rails 6.1+, you can use:
+
+```ruby
+StrongMigrations.target_version = {primary: 13, catalog: 15}
+```
+
 ## Analyze Tables
 
 Analyze tables automatically (to update planner statistics) after an index is added. Create an initializer with:
 
 ```ruby