diff --git a/doc/en/Gtk/ButtonBox.xml b/doc/en/Gtk/ButtonBox.xml
index 0034a12c4..5543e9535 100644
--- a/doc/en/Gtk/ButtonBox.xml
+++ b/doc/en/Gtk/ButtonBox.xml
@@ -145,9 +145,9 @@
       <ReturnValue />
       <Parameters />
       <Docs>
-        <summary>To be added</summary>
+        <summary>Default parameterless constructor.</summary>
         <returns>a <see cref="T:Gtk.ButtonBox" /></returns>
-        <remarks>To be added</remarks>
+        <remarks>This is the default constructor for the <see cref="T:Gtk.ButtonBox" /> class.</remarks>
       </Docs>
     </Member>
   </Members>