diff --git a/doc/classes/AStarGrid2D.xml b/doc/classes/AStarGrid2D.xml
index d64941cb9b6..276db35d83c 100644
--- a/doc/classes/AStarGrid2D.xml
+++ b/doc/classes/AStarGrid2D.xml
@@ -113,14 +113,14 @@
- Returns [code]true[/code] if the [param x] and [param y] is a valid grid coordinate (id).
+ Returns [code]true[/code] if the [param x] and [param y] is a valid grid coordinate (id), i.e. if it is inside [member region]. Equivalent to [code]region.has_point(Vector2i(x, y))[/code].
- Returns [code]true[/code] if the [param id] vector is a valid grid coordinate.
+ Returns [code]true[/code] if the [param id] vector is a valid grid coordinate, i.e. if it is inside [member region]. Equivalent to [code]region.has_point(id)[/code].