diff --git a/README.md b/README.md
index 76cd4d22d71..2b2f2aa89f9 100644
--- a/README.md
+++ b/README.md
@@ -109,7 +109,6 @@ The above will prompt the user with 2 text fields and a dropdown in the UI getti
 | 	schema.items                | []variables   | false      | specified when `schema.type` is list to declare attributes allowed in the list. |
 | 	schema.private              | bool          | false      | specified for declaring information sensitive fields. |
 | 	schema.null                 | bool          | false      | specifies if the value for the variable can be null. defaults to false. |
-| 	schema.null                 | bool          | false      | specifies if the value for the variable can be null. defaults to false. |
 
 **subquestions**: `subquestions[]` cannot contain `subquestions` or `show_subquestions_if` keys, but all other keys in the above table are supported. Also variables having `schema.type` list do not support `subquestions`.
 
diff --git a/test/ix-chart/2010.0.1/README.md b/test/ix-chart/2010.0.1/README.md
index 4d27f382d16..a29dcb5030a 100644
--- a/test/ix-chart/2010.0.1/README.md
+++ b/test/ix-chart/2010.0.1/README.md
@@ -57,7 +57,7 @@ When a chart release will be deleted, all (2) volumes data will be deleted unlik
 The following is a recommended configuration example for creating ix volumes
 
 ```
-volumes: [
+"volumes": [
   {
      "datasetName": "ix_volume1",
      "mountPath": "/mount_test1"
@@ -77,7 +77,7 @@ volumes: [
 The following is a recommended configuration example for `hostPathVolumes`
 
 ```
-hostPathVolumes: [
+"hostPathVolumes": [
   {
     "hostPath": "/mnt/pool/test_dir",
     "mountPath": "/test_dir",
@@ -90,3 +90,27 @@ hostPathVolumes: [
   }
 ]
 ```
+
+## External Interfaces Configuration Examples
+
+```
+"externalInterfaces": [
+  {
+    "hostInterface": "ens3",
+    "ipam": {"type": "dhcp"}
+  },
+  {
+     "hostInterface": "br0",
+     "ipam": {
+       "type": "static",
+       "staticIPConfigurations": ["192.168.0.120/24"],
+       "staticRoutes": [
+         {"destination": "0.0.0.0/0", "gateway": "192.168.0.1"}
+       ]
+     }
+  }
+]
+```
+
+The first entry in the above configuration example will add an external interface in the pod using macvlan with `ipam` being set to `dhcp`.
+Second entry will add an external interface in the pod using `bridge` and using static IP configuration for the external interface.