diff --git a/doc/classes/ProjectSettings.xml b/doc/classes/ProjectSettings.xml
index 5ac4c96d931..32e71ce0307 100644
--- a/doc/classes/ProjectSettings.xml
+++ b/doc/classes/ProjectSettings.xml
@@ -902,8 +902,9 @@
Sets the V-Sync mode for the main game window. The editor's own V-Sync mode can be set using [member EditorSettings.interface/editor/vsync_mode].
See [enum DisplayServer.VSyncMode] for possible values and how they affect the behavior of your application.
- Depending on the platform and used renderer, the engine will fall back to [b]Enabled[/b] if the desired mode is not supported.
- [b]Note:[/b] V-Sync modes other than [b]Enabled[/b] are only supported in the Forward+ and Mobile rendering methods, not Compatibility.
+ Depending on the platform and rendering method, the engine will fall back to [b]Enabled[/b] if the desired mode is not supported.
+ V-Sync can be disabled on the command line using the [code]--disable-vsync[/code] [url=$DOCS_URL/tutorials/editor/command_line_tutorial.html]command line argument[/url].
+ [b]Note:[/b] The [b]Adaptive[/b] and [b]Mailbox[/b] V-Sync modes are only supported in the Forward+ and Mobile rendering methods, not Compatibility.
[b]Note:[/b] This property is only read when the project starts. To change the V-Sync mode at runtime, call [method DisplayServer.window_set_vsync_mode] instead.