docs: Fix copy-paste error in gtk_file_chooser_get_extra_widget() doc comment

diff --git a/gtk/gtkfilechooser.c b/gtk/gtkfilechooser.c
index 35de3b3c28b150ffe8dfe8d89b035c3269dc169b..8463ce4f2dae4b825a5a8794ae556727b9b7a01a 100644 (file)
--- a/gtk/gtkfilechooser.c
+++ b/gtk/gtkfilechooser.c
@@ -1829,7 +1829,7 @@ gtk_file_chooser_set_extra_widget (GtkFileChooser *chooser,
  * gtk_file_chooser_get_extra_widget:
  * @chooser: a #GtkFileChooser
  *
- * Gets the current preview widget; see
+ * Gets the current extra widget; see
  * gtk_file_chooser_set_extra_widget().
  *
  * Returns: (nullable) (transfer none): the current extra widget, or %NULL