typo

README.md

@@ -57,7 +57,7 @@ There is a map template included in this packet.
 
 ## Known bugs
 
-There is an area on the map, that causes the train to spawn on the wrong track. This area located on the screenshot:
+There is an area on the map, that causes the train to spawn on the wrong track. This area is marked on the screenshot:
 
 ![Bugged spawning area](readme-content/bugged-spawning-area.png)