diff --git a/Swapping-Tiles.md b/Swapping-Tiles.md
index ce1bd43..9e42c0f 100644
--- a/Swapping-Tiles.md
+++ b/Swapping-Tiles.md
@@ -15,3 +15,6 @@ To swap a tile, select the tile(s) you want to swap and go the sidemenu in the b
 The pictures above visualize the process of swapping a default tile into a sleeping tile.
 
 Please note that the example just shows the procedure of swapping one tile at a time. If you select more tiles at the beginning, each tile will be swapped to the one type you've chosen.
+
+But there are a few limitations whether the tile can be swapped or not.
+