diff --git a/api/classes/lifepreserver.rst b/api/classes/lifepreserver.rst
index 6963b2c..133a4d0 100644
--- a/api/classes/lifepreserver.rst
+++ b/api/classes/lifepreserver.rst
@@ -584,7 +584,7 @@ The "addreplication" action is used to create a replication task in Life Preserv
 .. _Remove Replication:
 
 Remove Replication
-===============
+==================
 
 The "removereplication" action is used to delete an existing replication task. Note that this action only deletes the task--it does not remove any already replicated data from the
 remote system.
diff --git a/api/classes/updates.rst b/api/classes/updates.rst
index b3d0e3c..3e7dab5 100644
--- a/api/classes/updates.rst
+++ b/api/classes/updates.rst
@@ -1,6 +1,86 @@
-.. _updates:
+.. _update:
 
-updates
-=======
+update
+******
 
-Some intro text here...
+The update class is used to check for and manage system and software updates.
+
+Every update class request contains the following parameters:
+
++---------------------------------+---------------+----------------------------------------------------------------------------------------------------------------------+
+| **Parameter**                   | **Value**     | **Description**                                                                                                      |
+|                                 |               |                                                                                                                      |
++=================================+===============+======================================================================================================================+
+| id                              |               | any unique value for the request; examples include a hash, checksum, or uuid                                         |
+|                                 |               |                                                                                                                      |
++---------------------------------+---------------+----------------------------------------------------------------------------------------------------------------------+
+| name                            | update        |                                                                                                                      |
+|                                 |               |                                                                                                                      |
++---------------------------------+---------------+----------------------------------------------------------------------------------------------------------------------+
+| namespace                       | sysadm        |                                                                                                                      |
+|                                 |               |                                                                                                                      |
++---------------------------------+---------------+----------------------------------------------------------------------------------------------------------------------+
+| action                          |               | supported actions include "checkupdates"                                                                             |
+|                                 |               |                                                                                                                      |
++---------------------------------+---------------+----------------------------------------------------------------------------------------------------------------------+
+
+The rest of this section provides examples of the available *actions* for each type of request, along with their responses. 
+
+.. index:: checkupdates, update
+
+.. _Check for Updates:
+
+Check for Updates
+=================
+
+The "checkupdates" action queries the update server to see if any updates are available. If an update is available, the response will indicate if it is a system security update, an
+upgrade to a newer version of the operating system, a system patch, or an update to installed software packages.
+
+**REST Request**
+
+.. code-block:: json
+
+ PUT /sysadm/update
+ {
+   "action" : "checkupdates"
+ }
+
+**REST Response**
+
+.. code-block:: json
+
+ {
+    "args": {
+        "checkupdates": {
+            "status": "noupdates"
+        }
+    }
+ }
+
+**WebSocket Request**
+
+.. code-block:: json
+
+ {
+   "name" : "update",
+   "args" : {
+      "action" : "checkupdates"
+   },
+   "namespace" : "sysadm",
+   "id" : "fooid"
+ }
+
+**WebSocket Response**
+
+.. code-block:: json
+
+ {
+  "args": {
+    "checkupdates": {
+      "status": "noupdates"
+    }
+  },
+  "id": "fooid",
+  "name": "response",
+  "namespace": "sysadm"
+ }
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