README.md in pg_eventstore-0.4.0 vs README.md in pg_eventstore-0.5.0

@@ -50,9 +50,10 @@
 Documentation chapters:
 
 - [Configuration](docs/configuration.md)
 - [Events and streams definitions](docs/events_and_streams.md)
 - [Appending events](docs/appending_events.md)
+- [Linking events](docs/linking_events.md)
 - [Reading events](docs/reading_events.md)
 - [Subscriptions](docs/subscriptions.md)
 - [Writing middlewares](docs/writing_middleware.md)
 - [How to make multiple commands atomic](docs/multiple_commands.md)