diff --git a/website/source/docs/runtime/interpolation.html.md.erb b/website/source/docs/runtime/interpolation.html.md.erb
index 0dda73a88..e42a0f2c2 100644
--- a/website/source/docs/runtime/interpolation.html.md.erb
+++ b/website/source/docs/runtime/interpolation.html.md.erb
@@ -76,6 +76,11 @@ driver.
     <td>36 character unique client identifier</td>
     <td><tt>9afa5da1-8f39-25a2-48dc-ba31fd7c0023</tt></td>
   </tr>
+  <tr>
+    <td><tt>${node.region}</tt></td>
+    <td>Client's region</td>
+    <td><tt>global</tt></td>
+  </tr>
   <tr>
     <td><tt>${node.datacenter}</tt></td>
     <td>Client's datacenter</td>