diff --git a/scripts/chunk_scene.gd b/scripts/chunk_scene.gd
index ce231a4..5ac66eb 100644
--- a/scripts/chunk_scene.gd
+++ b/scripts/chunk_scene.gd
@@ -11,9 +11,9 @@ extends Node3D
 ##
 ## ```
 ## ChunkScene (Node3D)
-##  ├─ TileLayer (Node3D)  # one per tile layer (ground, walls, decor, ...)
-##  ├─ StaticObject (Node3D)  # props, geometry, interactables
-##  └─ DynamicObject (Node3D)  # spawnable entities (templates)
+##  ├── TileLayer (Node3D)  # one per tile layer (ground, walls, decor, ...)
+##  ├── StaticObject (Node3D)  # props, geometry, interactables
+##  └── DynamicObject (Node3D)  # spawnable entities (templates)
 ## ```
 ##
 ## ## Lifecycle
@@ -164,7 +164,7 @@ func contains_position(pos: Vector3) -> bool:
 
 ## Check if a chunk coordinate is adjacent to this chunk.
 func is_adjacent(other_coord: Vector3i) -> bool:
-	var dx := abs(coord.x - other_coord.x)
-	var dy := abs(coord.y - other_coord.y)
-	var dz := abs(coord.z - other_coord.z)
+	var dx: int = abs(coord.x - other_coord.x)
+	var dy: int = abs(coord.y - other_coord.y)
+	var dz: int = abs(coord.z - other_coord.z)
 	return dx <= 1 and dy <= 1 and dz <= 1 and (dx + dy + dz) > 0