diff --git a/gio/gappinfo.c b/gio/gappinfo.c
index 17f453ada..d1a1a1d65 100644
--- a/gio/gappinfo.c
+++ b/gio/gappinfo.c
@@ -651,7 +651,9 @@ g_app_info_supports_files (GAppInfo *appinfo)
  * Launches the application. This passes the @uris to the launched application
  * as arguments, using the optional @context to get information
  * about the details of the launcher (like what screen it is on).
- * On error, @error will be set accordingly.
+ * On error, @error will be set accordingly. If the application only supports
+ * one URI per invocation as part of their command-line, multiple instances
+ * of the application will be spawned.
  *
  * To launch the application without arguments pass a %NULL @uris list.
  *
@@ -1379,6 +1381,10 @@ g_app_launch_context_class_init (GAppLaunchContextClass *klass)
    * fails. The startup notification id is provided, so that the launcher
    * can cancel the startup notification.
    *
+   * Because a launch operation may involve spawning multiple instances of the
+   * target application, you should expect this signal to be emitted multiple
+   * times, one for each spawned instance.
+   *
    * Since: 2.36
    */
   signals[LAUNCH_FAILED] = g_signal_new (I_("launch-failed"),
@@ -1409,6 +1415,10 @@ g_app_launch_context_class_init (GAppLaunchContextClass *klass)
    * It is guaranteed that this signal is followed by either a #GAppLaunchContext::launched or
    * #GAppLaunchContext::launch-failed signal.
    *
+   * Because a launch operation may involve spawning multiple instances of the
+   * target application, you should expect this signal to be emitted multiple
+   * times, one for each spawned instance.
+   *
    * Since: 2.72
    */
   signals[LAUNCH_STARTED] = g_signal_new (I_("launch-started"),
@@ -1430,7 +1440,13 @@ g_app_launch_context_class_init (GAppLaunchContextClass *klass)
    * @platform_data: additional platform-specific data for this launch
    *
    * The #GAppLaunchContext::launched signal is emitted when a #GAppInfo is successfully
-   * launched. The @platform_data is an GVariant dictionary mapping
+   * launched.
+   *
+   * Because a launch operation may involve spawning multiple instances of the
+   * target application, you should expect this signal to be emitted multiple
+   * times, one time for each spawned instance.
+   *
+   * The @platform_data is an GVariant dictionary mapping
    * strings to variants (ie `a{sv}`), which contains additional,
    * platform-specific data about this launch. On UNIX, at least the
    * `pid` and `startup-notification-id` keys will be present.