diff --git a/docs/changelog.md b/docs/changelog.md
index c42ce562..2fcbe9ea 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -13,6 +13,7 @@ This version is not fully backwords-compatible. Check out [the migration guide](
 - 84bce0c `arrivals()`/`departures()`: parse & expose platforms
 - 85e0bdf `journeys()`: `startWithWalking` option with default `true`
 - f6ae29c journey legs with `type: 'walking'` now have a `distance` in meters
+- 1551943 `arrivals()`/`departures()`: `includeRelatedStations` option with default `true`
 
 ### breaking changes 💥
 
diff --git a/docs/departures.md b/docs/departures.md
index 6008b524..3fa9dac6 100644
--- a/docs/departures.md
+++ b/docs/departures.md
@@ -29,6 +29,9 @@ With `opt`, you can override the default options, which look like this:
 	duration:  10, // show departures for the next n minutes
 	stationLines: false, // parse & expose lines of the station?
 	remarks: true, // parse & expose hints & warnings?
+	// departures at related stations
+	// e.g. those that belong together on the metro map.
+	includeRelatedStations: true,
 	language: 'en' // language to get results in
 }
 ```