diff --git a/docs/reference/ImageGrab.rst b/docs/reference/ImageGrab.rst
index ac83b225522..d570226ddcb 100644
--- a/docs/reference/ImageGrab.rst
+++ b/docs/reference/ImageGrab.rst
@@ -15,6 +15,9 @@ or the clipboard to a PIL image memory.
     returned as an "RGBA" on macOS, or an "RGB" image otherwise.
     If the bounding box is omitted, the entire screen is copied.
 
+    On Linux, if ``xdisplay`` is ``None`` then ``gnome-screenshot`` will be used if it
+    is installed. To capture the default X11 display instead, pass ``xdisplay=""``.
+
     .. versionadded:: 1.1.3 (Windows), 3.0.0 (macOS), 7.1.0 (Linux (X11))
 
     :param bbox: What region to copy. Default is the entire screen.
diff --git a/docs/releasenotes/9.2.0.rst b/docs/releasenotes/9.2.0.rst
index 424fd487a29..20e6cfa950f 100644
--- a/docs/releasenotes/9.2.0.rst
+++ b/docs/releasenotes/9.2.0.rst
@@ -76,7 +76,9 @@ TODO
 Other Changes
 =============
 
-TODO
-^^^^
+Using gnome-screenshot on Linux
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-TODO
+In :py:meth:`~PIL.ImageGrab.grab` on Linux, if ``xdisplay`` is ``None`` then
+``gnome-screenshot`` will be used to capture the display if it is installed. To capture
+the default X11 display instead, pass ``xdisplay=""``.