diff --git a/gtk/gtkstringlist.c b/gtk/gtkstringlist.c
index 55aa584b34..01b5de815e 100644
--- a/gtk/gtkstringlist.c
+++ b/gtk/gtkstringlist.c
@@ -65,7 +65,8 @@
  * `GtkStringObject` is the type of items in a `GtkStringList`.
  *
  * A `GtkStringObject` is a wrapper around a `const char*`; it has
- * a [property@Gtk.StringObject:string] property.
+ * a [property@Gtk.StringObject:string] property that can be used
+ * for property bindings and expressions.
  */
 
 #define GDK_ARRAY_ELEMENT_TYPE GtkStringObject *