diff --git a/doc/table_of_contents.html b/doc/table_of_contents.html
index 5de8fedd..cec18fe6 100644
--- a/doc/table_of_contents.html
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@@ -127,14 +127,20 @@
               </OL>
             <LI>Graph Algorithms
               <OL>
-                <LI><A href="./dijkstra_shortest_paths.html"><tt>dijkstra_shortest_paths</tt></A>
-                <LI><A href="./bellman_ford_shortest.html"><tt>bellman_ford_shortest_paths</tt></A>
-                <LI><A
-                href="./johnson_all_pairs_shortest.html"><tt>johnson_all_pairs_shortest_paths</tt></A>
-                <LI><A
-                href="./kruskal_min_spanning_tree.html"><tt>kruskal_minimum_spanning_tree</tt></A>
-                <LI><A
-                href="./prim_minimum_spanning_tree.html"><tt>prim_minimum_spanning_tree</tt></A>
+	        <LI>Shortest Paths Algorithms
+                  <OL>
+		    <LI><A href="./dijkstra_shortest_paths.html"><tt>dijkstra_shortest_paths</tt></A>
+		    <LI><A href="./bellman_ford_shortest.html"><tt>bellman_ford_shortest_paths</tt></A>
+		    <LI><A
+		    href="./johnson_all_pairs_shortest.html"><tt>johnson_all_pairs_shortest_paths</tt></A>
+                  </OL>
+                <LI>Minimum Spanning Tree Algorithms
+		  <OL>
+		    <LI><A
+		    href="./kruskal_min_spanning_tree.html"><tt>kruskal_minimum_spanning_tree</tt></A>
+		    <LI><A
+		    href="./prim_minimum_spanning_tree.html"><tt>prim_minimum_spanning_tree</tt></A>
+		  </OL>
                 <LI><A href="./connected_components.html"><tt>connected_components</tt></A>
                 <LI><A href="./strong_components.html"><tt>strong_components</tt></A>