## Register a storage backend class
-Each backend must be registered in the system when the plugin is installed, to be aviable.
+Each backend must be registered in the system when the plugin is installed, to be available.
`DI::facStorage()->register(string $class)` is used to register the backend class.
#### File storage backend
Set the backend used by Friendica to store uploaded file data.
-Two storage backends are avaiable with Friendica:
+Two storage backends are available with Friendica:
- **Database** : Data is stored in a dedicated table in database (`storage`)
- **Filesystem** : Data is stored as file on the filesystem.
-More storage backends can be avaiable from third-party addons.
+More storage backends can be available from third-party addons.
If you use those, please refer to the documentation of those addons for further information.
Default value is 'Database (legacy)': it's the legacy way used to store data directly in database.