DOP-1883: update redirected link (v4.0)

Author: schmalliso

source/reference/mongodb-wire-protocol.txt

@@ -261,9 +261,8 @@ format of a OP_UPDATE message is the following:
    * - ``update``
 
      - BSON document that specifies the update to be performed. For
-       information on specifying updates see the :manual:`Update
-       Operations </applications/update>` documentation from the
-       MongoDB Manual.
+       information on specifying updates see the :doc:`Update
+       Operations </tutorial/update-documents/>` documentation.
 
 There is no response to an OP_UPDATE message.