diff --git a/src/carte.py b/src/carte.py
index 0ae8ff3..5ef8f79 100644
--- a/src/carte.py
+++ b/src/carte.py
@@ -73,6 +73,8 @@ class Map:
         if teleporter_count: # not all teleporters are on edges
             return False 
 
+	### ATTENTION - we need to verify teleporters are in front of the other
+
         # no ground tile on border
         if any(Tile.GRD in edges):
             return False
@@ -90,4 +92,4 @@ class Map:
                     return False
         # we have to verify if there is only 1 connexity component of (Tile.GRD, Tile.TPT, Tile.BPD, Tile.SPD)
         
-        return True
\ No newline at end of file
+        return True