updated the docs

--HG--
extra : convert_revision : svn%3Afdd8eb12-d10e-0410-9acb-85c331704f74/trunk%403417

docs/docs/ml.xml

@@ -644,7 +644,8 @@ Davis E. King. <a href="http://www.jmlr.org/papers/volume10/king09a/king09a.pdf"
          <description>
                 This object represents a point in kernel induced feature space. 
                 You may use this object to find the distance from the point it 
-                represents to points in input space.
+                represents to points in input space as well as other points
+                represented by distance_functions.
          </description>
                                  
       </component>