Adding documentation for link object
Change-Id: Ied40e45296fb25b7efd227e2e13a2af48223ba1b
diff --git a/data.rst b/data.rst
index 39be231..7948bd6 100644
--- a/data.rst
+++ b/data.rst
@@ -48,7 +48,7 @@
| BLOB | 0 | payload identified by the data name; this is the default |
| | | ContentType |
+-----------------+----------------+--------------------------------------------------------------+
-| LINK | 1 | another name which identifies the actual data content |
+| LINK | 1 | a list of delegations (see :ref:`link`) |
+-----------------+----------------+--------------------------------------------------------------+
| KEY | 2 | public key |
+-----------------+----------------+--------------------------------------------------------------+