diff --git a/doc/reference/meta-sections.txt b/doc/reference/meta-sections.txt
index 22d435034..5952f0aac 100644
--- a/doc/reference/meta-sections.txt
+++ b/doc/reference/meta-sections.txt
@@ -555,7 +555,7 @@ meta_window_is_monitor_sized
 meta_window_is_override_redirect
 meta_window_is_skip_taskbar
 meta_window_get_rect
-meta_window_get_input_rect
+meta_window_get_buffer_rect
 meta_window_get_frame_rect
 meta_window_get_outer_rect
 meta_window_client_rect_to_frame_rect
diff --git a/src/compositor/meta-window-actor.c b/src/compositor/meta-window-actor.c
index f9128443e..6da79b73d 100644
--- a/src/compositor/meta-window-actor.c
+++ b/src/compositor/meta-window-actor.c
@@ -1152,7 +1152,7 @@ meta_window_actor_sync_actor_geometry (MetaWindowActor *self,
   MetaWindowActorPrivate *priv = self->priv;
   MetaRectangle window_rect;
 
-  meta_window_get_input_rect (priv->window, &window_rect);
+  meta_window_get_buffer_rect (priv->window, &window_rect);
 
   /* When running as a Wayland compositor we catch size changes when new
    * buffers are attached */
diff --git a/src/core/window.c b/src/core/window.c
index 7b3d6c858..e1598b612 100644
--- a/src/core/window.c
+++ b/src/core/window.c
@@ -4036,18 +4036,21 @@ meta_window_get_session_geometry (MetaWindow  *window,
 }
 
 /**
- * meta_window_get_input_rect:
+ * meta_window_get_buffer_rect:
  * @window: a #MetaWindow
  * @rect: (out): pointer to an allocated #MetaRectangle
  *
- * Gets the rectangle that bounds @window that is responsive to mouse events.
- * This includes decorations - the visible portion of its border - and (if
- * present) any invisible area that we make make responsive to mouse clicks in
- * order to allow convenient border dragging.
+ * Gets the rectangle that the pixmap or buffer of @window occupies.
+ *
+ * For X11 windows, this is the server-side geometry of the toplevel
+ * window.
+ *
+ * For Wayland windows, this is the bounding rectangle of the attached
+ * buffer.
  */
 void
-meta_window_get_input_rect (const MetaWindow *window,
-                            MetaRectangle    *rect)
+meta_window_get_buffer_rect (const MetaWindow *window,
+                             MetaRectangle    *rect)
 {
   if (window->frame)
     *rect = window->frame->rect;
diff --git a/src/meta/window.h b/src/meta/window.h
index 78ae8d105..6ef85df54 100644
--- a/src/meta/window.h
+++ b/src/meta/window.h
@@ -108,7 +108,7 @@ gboolean meta_window_appears_focused (MetaWindow *window);
 gboolean meta_window_is_shaded (MetaWindow *window);
 gboolean meta_window_is_override_redirect (MetaWindow *window);
 gboolean meta_window_is_skip_taskbar (MetaWindow *window);
-void meta_window_get_input_rect (const MetaWindow *window, MetaRectangle *rect);
+void meta_window_get_buffer_rect (const MetaWindow *window, MetaRectangle *rect);
 
 void meta_window_get_frame_rect (const MetaWindow *window, MetaRectangle *rect);
 void meta_window_get_outer_rect (const MetaWindow *window, MetaRectangle *rect) G_GNUC_DEPRECATED;