diff --git a/common/runtime/init.go b/common/runtime/init.go
index c8c93677c7191338618ebbc1d4a9bf94e20493ca..07ab152a50d212fdab8772f29cf3b099d5a0b595 100644
--- a/common/runtime/init.go
+++ b/common/runtime/init.go
@@ -55,6 +55,7 @@ func LoadDatastores() {
 	for id, found := range dsMap {
 		if !found {
 			logrus.Errorf("No configured datastore for ID %s found - please check your configuration and restart.", id)
+			logrus.Error("See https://docs.t2bot.io/matrix-media-repo/upgrading/130.html for details")
 			fatal = true
 		}
 	}