diff --git a/specification/app/resource-manager/Microsoft.App/preview/2022-01-01-preview/ManagedEnvironments.json b/specification/app/resource-manager/Microsoft.App/preview/2022-01-01-preview/ManagedEnvironments.json
index e5a6084931a1..84b4a486ff2d 100644
--- a/specification/app/resource-manager/Microsoft.App/preview/2022-01-01-preview/ManagedEnvironments.json
+++ b/specification/app/resource-manager/Microsoft.App/preview/2022-01-01-preview/ManagedEnvironments.json
@@ -609,7 +609,7 @@
       "properties": {
         "internal": {
           "type": "boolean",
-          "description": "Boolean indicating the environment only has an internal load balancer. These environments do not have a public static IP resource, must provide ControlPlaneSubnetResourceId and AppSubnetResourceId if enabling this property",
+          "description": "Boolean indicating the environment only has an internal load balancer. These environments do not have a public static IP resource. They must provide runtimeSubnetId and infrastructureSubnetId if enabling this property",
           "x-ms-mutability": [
             "create",
             "read"
diff --git a/specification/app/resource-manager/Microsoft.App/stable/2022-03-01/ManagedEnvironments.json b/specification/app/resource-manager/Microsoft.App/stable/2022-03-01/ManagedEnvironments.json
index 12720785d8bb..3e4d31db001e 100644
--- a/specification/app/resource-manager/Microsoft.App/stable/2022-03-01/ManagedEnvironments.json
+++ b/specification/app/resource-manager/Microsoft.App/stable/2022-03-01/ManagedEnvironments.json
@@ -666,7 +666,7 @@
       "properties": {
         "internal": {
           "type": "boolean",
-          "description": "Boolean indicating the environment only has an internal load balancer. These environments do not have a public static IP resource, must provide ControlPlaneSubnetResourceId and AppSubnetResourceId if enabling this property",
+          "description": "Boolean indicating the environment only has an internal load balancer. These environments do not have a public static IP resource. They must provide runtimeSubnetId and infrastructureSubnetId if enabling this property",
           "x-ms-mutability": [
             "create",
             "read"
diff --git a/specification/app/resource-manager/Microsoft.App/stable/2022-05-01/ManagedEnvironments.json b/specification/app/resource-manager/Microsoft.App/stable/2022-05-01/ManagedEnvironments.json
index ad9bcc62de6a..f2a44ddef010 100644
--- a/specification/app/resource-manager/Microsoft.App/stable/2022-05-01/ManagedEnvironments.json
+++ b/specification/app/resource-manager/Microsoft.App/stable/2022-05-01/ManagedEnvironments.json
@@ -666,7 +666,7 @@
       "properties": {
         "internal": {
           "type": "boolean",
-          "description": "Boolean indicating the environment only has an internal load balancer. These environments do not have a public static IP resource, must provide ControlPlaneSubnetResourceId and AppSubnetResourceId if enabling this property",
+          "description": "Boolean indicating the environment only has an internal load balancer. These environments do not have a public static IP resource. They must provide runtimeSubnetId and infrastructureSubnetId if enabling this property",
           "x-ms-mutability": [
             "create",
             "read"