diff --git a/doc/classes/ProjectSettings.xml b/doc/classes/ProjectSettings.xml
index ae5eb435ba2..329f8aec1c8 100644
--- a/doc/classes/ProjectSettings.xml
+++ b/doc/classes/ProjectSettings.xml
@@ -813,15 +813,18 @@
 		</member>
 		<member name="display/window/size/initial_position" type="Vector2i" setter="" getter="" default="Vector2i(0, 0)">
 			Main window initial position (in virtual desktop coordinates), this setting is used only if [member display/window/size/initial_position_type] is set to "Absolute" ([code]0[/code]).
+			[b]Note:[/b] This setting only affects the exported project, or when the project is run from the command line. In the editor, the value of [member EditorSettings.run/window_placement/rect_custom_position] is used instead.
 		</member>
 		<member name="display/window/size/initial_position_type" type="int" setter="" getter="" default="1">
 			Main window initial position.
 			[code]0[/code] - "Absolute", [member display/window/size/initial_position] is used to set window position.
 			[code]1[/code] - "Primary Screen Center".
 			[code]2[/code] - "Other Screen Center", [member display/window/size/initial_screen] is used to set the screen.
+			[b]Note:[/b] This setting only affects the exported project, or when the project is run from the command line. In the editor, the value of [member EditorSettings.run/window_placement/rect] is used instead.
 		</member>
 		<member name="display/window/size/initial_screen" type="int" setter="" getter="" default="0">
 			Main window initial screen, this setting is used only if [member display/window/size/initial_position_type] is set to "Other Screen Center" ([code]2[/code]).
+			[b]Note:[/b] This setting only affects the exported project, or when the project is run from the command line. In the editor, the value of [member EditorSettings.run/window_placement/screen] is used instead.
 		</member>
 		<member name="display/window/size/mode" type="int" setter="" getter="" default="0">
 			Main window mode. See [enum DisplayServer.WindowMode] for possible values and how each mode behaves.