[gtk: 1/2] gdkapplaunchcontext: Fix docs a bit

[Emmanuele Bassi <ebassi src gnome org>]

commit 8e000c2dbfe8ba7305e995ddcc013fe4003c4317
Author: Phaedrus Leeds <mwleeds protonmail com>
Date:   Tue Feb 1 10:55:54 2022 -0800

    gdkapplaunchcontext: Fix docs a bit
    
    The set_screen() and set_display() methods no longer exist.

 gdk/gdkapplaunchcontext.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)
---
diff --git a/gdk/gdkapplaunchcontext.c b/gdk/gdkapplaunchcontext.c
index f68a4c4d52..6ce9536b0f 100644
--- a/gdk/gdkapplaunchcontext.c
+++ b/gdk/gdkapplaunchcontext.c
@@ -31,8 +31,7 @@
  * `GdkAppLaunchContext` handles launching an application in a graphical context.
  *
  * It is an implementation of `GAppLaunchContext` that provides startup
- * notification and allows to launch applications on a specific screen
- * or workspace.
+ * notification and allows to launch applications on a specific workspace.
  *
  * ## Launching an application
  *
@@ -41,7 +40,6 @@
  *
  * context = gdk_display_get_app_launch_context (display);
  *
- * gdk_app_launch_context_set_display (display);
  * gdk_app_launch_context_set_timestamp (gdk_event_get_time (event));
  *
  * if (!g_app_info_launch_default_for_uri ("http://www.gtk.org";, context, &error))
@@ -196,6 +194,10 @@ gdk_app_launch_context_get_display (GdkAppLaunchContext *context)
  * This only works when running under a window manager that
  * supports multiple workspaces, as described in the
  * [Extended Window Manager Hints](http://www.freedesktop.org/Standards/wm-spec).
+ * Specifically this sets the `_NET_WM_DESKTOP` property described
+ * in that spec.
+ *
+ * This only works when using the X11 backend.
  *
  * When the workspace is not specified or @desktop is set to -1,
  * it is up to the window manager to pick one, typically it will