/**
* gtk_expander_new_with_mnemonic:
- * @label: (allow-none): the text of the label with an underscore
+ * @label: (nullable): the text of the label with an underscore
* in front of the mnemonic character
*
* Creates a new expander using @label as the text of the label.
/**
* gtk_expander_set_label:
* @expander: a #GtkExpander
- * @label: (allow-none): a string
+ * @label: (nullable): a string
*
* Sets the text of the label of the expander to @label.
*
/**
* gtk_expander_set_label_widget:
* @expander: a #GtkExpander
- * @label_widget: (allow-none): the new label widget
+ * @label_widget: (nullable): the new label widget
*
* Set the label widget for the expander. This is the widget
* that will appear embedded alongside the expander arrow.