diff --git a/content/manifest-v2.md b/content/manifest-v2.md
index 591ce9b0..22b5cc24 100644
--- a/content/manifest-v2.md
+++ b/content/manifest-v2.md
@@ -218,7 +218,7 @@ update:
     * **name** [String, required]: A valid network name from the cloud config.
     * **static_ips** [Array, optional]: Array of IP addresses reserved for the instances on the network.
     * **default** [Array, optional]: Specifies which network components (DNS, Gateway) BOSH populates by default from this network. This property is required if more than one network is specified.
-    * **nic_group** [Integer or String, optional]: Defines a nic_group. Networks having the same nic_group will be assigned to the same network interface card (if possible). Find supported CPIs [here](networks.md#cpi-limitations).
+    * **nic_group** [Integer, optional]: Defines a nic_group. Networks having the same nic_group will be assigned to the same network interface card (if possible). Find supported CPIs [here](networks.md#cpi-limitations).
 * **update** [Hash, optional]: Specific update settings for this instance group. Use this to override [global job update settings](#update) on a per-instance-group basis.
 * **migrated_from** [Array, optional]: Specific migration settings for this instance group. Use this to [rename and/or migrate instance groups](migrated-from.md).
 * **lifecycle** [String, optional]: Specifies the kind of workload the instance group represents. Valid values are `service` and `errand`; defaults to `service`. A `service` runs indefinitely and restarts if it fails. An `errand` starts with a manual trigger and does not restart if it fails.
diff --git a/content/network-interface-groups.md b/content/network-interface-groups.md
index abe68ad1..dd2b14a8 100644
--- a/content/network-interface-groups.md
+++ b/content/network-interface-groups.md
@@ -31,16 +31,16 @@ When the BOSH Director creates a VM with multiple networks:
 
 ## Basic Configuration
 
-In your deployment manifest, assign the same `nic_group` value to networks that should share a NIC. You can use any string or number as an identifier:
+In your deployment manifest, assign the same `nic_group` value to networks that should share a NIC.
 
 ```yaml
 instance_groups:
 - name: instance-group-name
   networks:
   - name: default
-    nic_group: primary
+    nic_group: 1
   - name: secondary-network
-    nic_group: primary
+    nic_group: 1
 ```
 
 ## Verification