* dos/skins/skins2-howto.xml: Small precision

doc/skins/skins2-howto.xml

@@ -381,7 +381,7 @@ difficulty to understand how VLC skins work.</para>
   </sect4>
   <sect4 id="anchorlefttop">
     <title>lefttop</title>
-    <para>Indicate to which corner of the Layout the top-left-hand corner of this anchor is attached, in case of resizing. Possible values are 'lefttop', 'leftbottom', 'righttop' and 'rightbottom'.</para>
+    <para>Indicate to which corner of the Layout the top-left-hand corner of this anchor is attached, in case of resizing. Possible values are 'lefttop', 'leftbottom', 'righttop' and 'rightbottom'. Available since VLC 0.8.6.</para>
     <para>Note that there is no "rightbottom" attribute for the anchors (contrarily to normal controls), because an anchor is not resizable (even when the anchor is not ponctual and follows a Bezier curve).</para>
     <para>Default value: lefttop</para>
   </sect4>