docs: Fix up the RadioButton example in the description

diff --git a/gtk/gtkradiobutton.c b/gtk/gtkradiobutton.c
index ec6c2c6357ddb860110129a37c9ab9fafca37e60..82ab28cb9da467ae73eac8844675c8daffc136ce 100644 (file)
--- a/gtk/gtkradiobutton.c
+++ b/gtk/gtkradiobutton.c
@@ -75,7 +75,8 @@
  *
  *    GtkWidget *window, *radio1, *radio2, *box, *entry;
  *    window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
- *    box = gtk_box_new (GTK_ORIENTATION_VERTICAL, TRUE, 2);
+ *    box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
+ *    gtk_box_set_homogeneous (GTK_BOX (box), TRUE);
  *
  *    /* Create a radio button with a GtkEntry widget */
  *    radio1 = gtk_radio_button_new (NULL);