diff --git a/docs/en-US/add-tier.xml b/docs/en-US/add-tier.xml
index e5334d39ca6..17e02be7b7b 100644
--- a/docs/en-US/add-tier.xml
+++ b/docs/en-US/add-tier.xml
@@ -74,6 +74,15 @@
             Ensure that the gateway is within the Super CIDR range that you specified while creating
             the VPC, and is not overlapped with the CIDR of any existing tier within the VPC.</para>
         </listitem>
+        <listitem>
+          <para><emphasis role="bold">VLAN</emphasis>: The VLAN ID for the tier you create. </para>
+          <para>This option is only visible if the network offering you selected is
+            VLAN-enabled.</para>
+          <para condition="install">For more information, see the Assigning VLANs to Isolated
+            Networks section in the &PRODUCT; Administration Guide.</para>
+          <para condition="admin">For more information, see <xref linkend="vlan-assign-isolated-nw"
+            />.</para>
+        </listitem>
         <listitem>
           <para><emphasis role="bold">Netmask</emphasis>: The netmask for the tier you create. </para>
           <para>For example, if the VPC CIDR is 10.0.0.0/16 and the network tier CIDR is