fixed doc links

docs/network/index.html

@@ -227,33 +227,33 @@
             <td>Generates an interactive option editor with filtering.</td>
         </tr>
         <tr>
-            <td href="./edges.html">edges</a></td>
+            <td><a href="./edges.html">edges</a></td>
             <td>Handles the creation and deletion of edges and contains the global edge options and styles.</td>
         </tr>
         <tr>
-            <td href="./groups.html">groups</a></td>
+            <td><a href="./groups.html">groups</a></td>
             <td>Contains the groups and some options on how to handle nodes with non-existing groups.</td>
         </tr>
         <tr>
-            <td href="./interaction.html">interaction</a></td>
+            <td><a href="./interaction.html">interaction</a></td>
             <td>Used for all user interaction with the network. Handles mouse and touch events and selection as well as
                 the navigation buttons and the popups.
             </td>
         </tr>
         <tr>
-            <td href="./layout.html">layout</a></td>
+            <td><a href="./layout.html">layout</a></td>
             <td>Governs the initial and hierarchical positioning.</td>
         </tr>
         <tr>
-            <td href="./manipulation.html">manipulation</a></td>
+            <td><a href="./manipulation.html">manipulation</a></td>
             <td>Supplies an API and optional GUI to alter the data in the network.</td>
         </tr>
         <tr>
-            <td href="./nodes.html">nodes</a></td>
+            <td><a href="./nodes.html">nodes</a></td>
             <td>Handles the creation and deletion of nodes and contains the global node options and styles.</td>
         </tr>
         <tr>
-            <td href="./physics.html">physics</a></td>
+            <td><a href="./physics.html">physics</a></td>
             <td>Does all the simulation moving the nodes and edges to their final positions, also governs
                 stabilization.
             </td>