Add documentation for new clientallocations endpoint

website/source/docs/http/node.html.md

@@ -311,6 +311,44 @@ be specified using the `?region=` query parameter.
   </dd>
 </dl>
 
+<dl>
+  <dt>Description</dt>
+  <dd>
+    Query the allocations belonging to a single node. This endpoint only returns
+    a map from allocation id to modifyindex and is primarily used by the client
+    to determine which allocations need to be updated.
+  </dd>
+
+  <dt>Method</dt>
+  <dd>GET</dd>
+
+  <dt>URL</dt>
+  <dd>`/v1/node/<id>/clientallocations`</dd>
+
+  <dt>Parameters</dt>
+  <dd>
+    None
+  </dd>
+
+  <dt>Blocking Queries</dt>
+  <dd>
+    [Supported](/docs/http/index.html#blocking-queries)
+  </dd>
+
+  <dt>Returns</dt>
+  <dd>
+
+    ```javascript
+    {
+        "d66ea8d7-1d4c-119e-46b3-e23713a4ab72": 9,
+        "abf34c35-1d4c-119e-46b3-e23713a4ab72": 10
+    }
+    ```
+
+  </dd>
+</dl>
+
+
 ## PUT / POST
 
 <dl>