From 36c6a64e025e87c12a31dccd3c1b7ef7ea7bcd00 Mon Sep 17 00:00:00 2001
From: Davis King <davis@dlib.net>
Date: Thu, 28 Feb 2013 20:29:14 -0500
Subject: [PATCH] updated docs

---
 docs/docs/graph_tools.xml | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/docs/docs/graph_tools.xml b/docs/docs/graph_tools.xml
index 8f6ed916d..41a267a1b 100644
--- a/docs/docs/graph_tools.xml
+++ b/docs/docs/graph_tools.xml
@@ -54,9 +54,14 @@
          <item>find_percent_shortest_edges_randomly</item>
          <item>find_k_nearest_neighbors</item>
          <item>find_approximate_k_nearest_neighbors</item>
-         <item>squared_euclidean_distance</item>
-         <item>cosine_distance</item>
-         <item>negative_dot_product_distance</item>
+         <item nolink="true">
+            <name>Distance Functions</name>
+            <sub>
+               <item>negative_dot_product_distance</item>
+               <item>squared_euclidean_distance</item>
+               <item>cosine_distance</item>
+            </sub>
+         </item>
       </section>
 
       <section>