--- /dev/null
+Contributing to Behat Transliterator
+====================================
+
+Updating data
+-------------
+
+Setup dependencies with [Composer](https://getcomposer.org):
+
+```bash
+composer install
+```
+
+Run, char tables in Behat Transliterator will be synced from Perl library
+using version defined in `\Behat\Transliterator\SyncTool::LIB_VERSION`
+
+```bash
+bin/update-data
+```