diff --git a/doc/en/Gdk/WindowType.xml b/doc/en/Gdk/WindowType.xml
index fdb718d40..e377c6061 100644
--- a/doc/en/Gdk/WindowType.xml
+++ b/doc/en/Gdk/WindowType.xml
@@ -47,7 +47,7 @@
       <Parameters />
       <Docs>
         <summary>Toplevel window.</summary>
-        <remarks>None.</remarks>
+        <remarks>This is used to implement <see cref="T:Gtk.Window"/>.</remarks>
       </Docs>
     </Member>
     <Member MemberName="Child">
@@ -59,7 +59,8 @@
       <Parameters />
       <Docs>
         <summary>Child window.</summary>
-        <remarks>None.</remarks>
+        <remarks>This is used to implement child widgets, for example
+        <see cref="T:Gtk.Button"/></remarks>
       </Docs>
     </Member>
     <Member MemberName="Dialog">
@@ -83,7 +84,7 @@
       <Parameters />
       <Docs>
         <summary>Override redirect temporary window.</summary>
-        <remarks>None.</remarks>
+        <remarks>Used to implement <see cref="T:Gtk.Menu"/></remarks>
       </Docs>
     </Member>
     <Member MemberName="Foreign">
@@ -95,7 +96,7 @@
       <Parameters />
       <Docs>
         <summary>Foreign window.</summary>
-        <remarks>None.</remarks>
+        <remarks>See <see cref="M:Gtd.Window.ForeignNew(uint)"/>.</remarks>
       </Docs>
     </Member>
     <Member MemberName="value__">