diff --git a/docs/content/en/docs-dev/user-guide/configuration-reference.md b/docs/content/en/docs-dev/user-guide/configuration-reference.md
index 7b8999798b..32d011080f 100644
--- a/docs/content/en/docs-dev/user-guide/configuration-reference.md
+++ b/docs/content/en/docs-dev/user-guide/configuration-reference.md
@@ -9,7 +9,7 @@ description: >
 ## Kubernetes Application
 
 ``` yaml
-apiVersion: pipecd.devI mean instead of adding it here, only make the vpc configuration available via Function manifest file. I think we should keep this configuration file contains generic configurations only./v1beta1
+apiVersion: pipecd.dev/v1beta1
 kind: KubernetesApp
 spec:
   input:
diff --git a/pkg/app/piped/platformprovider/lambda/function_test.go b/pkg/app/piped/platformprovider/lambda/function_test.go
index 49d2d84686..ba60045839 100644
--- a/pkg/app/piped/platformprovider/lambda/function_test.go
+++ b/pkg/app/piped/platformprovider/lambda/function_test.go
@@ -110,10 +110,10 @@ func TestParseFunctionManifest(t *testing.T) {
 	  "memory": 128,
 	  "timeout": 5,
 	  "image": "ecr.region.amazonaws.com/lambda-simple-function:v0.0.1",
-      "vpcConfig": {
-          securityGroupIds: ["sg-1234567890", "sg-0987654321"],
-          subnetIds: ["subnet-1234567890", "subnet-0987654321"]
-      }
+	  "vpcConfig": {
+	    securityGroupIds: ["sg-1234567890", "sg-0987654321"],
+	    sbnetIds: ["subnet-1234567890", "subnet-0987654321"]
+	  }
   }
 }`,
 			wantSpec: FunctionManifest{