diff --git a/core/condition.go b/core/condition.go
index 220b9307..65c744f8 100644
--- a/core/condition.go
+++ b/core/condition.go
@@ -22,10 +22,10 @@ const (
 	// Values that could replace the placeholder: 127.0.0.1, 10.0.0.1, ...
 	IPPlaceholder = "[IP]"
 
-	// DNSRCodePlaceHolder is a place holder for DNS_RCODE
+	// DNSRCodePlaceholder is a place holder for DNS_RCODE
 	//
 	// Values that could be NOERROR, FORMERR, SERVFAIL, NXDOMAIN, NOTIMP and REFUSED
-	DNSRCodePlaceHolder = "[DNS_RCODE]"
+	DNSRCodePlaceholder = "[DNS_RCODE]"
 
 	// ResponseTimePlaceholder is a placeholder for the request response time, in milliseconds.
 	//
@@ -152,7 +152,7 @@ func sanitizeAndResolve(list []string, result *Result) []string {
 			element = strconv.Itoa(int(result.Duration.Milliseconds()))
 		case BodyPlaceholder:
 			element = body
-		case DNSRCodePlaceHolder:
+		case DNSRCodePlaceholder:
 			element = result.DNSRCode
 		case ConnectedPlaceholder:
 			element = strconv.FormatBool(result.Connected)
diff --git a/core/dns_test.go b/core/dns_test.go
index eefc9eaf..a3172d23 100644
--- a/core/dns_test.go
+++ b/core/dns_test.go
@@ -84,7 +84,7 @@ func TestIntegrationQuery(t *testing.T) {
 				t.Errorf("there should be errors")
 			}
 			if result.DNSRCode != test.expectedDNSCode {
-				t.Errorf("DNSRCodePlaceHolder '%s' should have been %s", result.DNSRCode, test.expectedDNSCode)
+				t.Errorf("DNSRCodePlaceholder '%s' should have been %s", result.DNSRCode, test.expectedDNSCode)
 			}
 
 			if string(result.Body) != test.expectedBody {
diff --git a/core/types.go b/core/types.go
index 4a7616c5..fabca387 100644
--- a/core/types.go
+++ b/core/types.go
@@ -19,8 +19,8 @@ type Result struct {
 	// HTTPStatus is the HTTP response status code
 	HTTPStatus int `json:"status"`
 
-	//
-	DNSRCode string `json:"dnsr_code"`
+	// DNSRCode is the response code of DNS query in human readable version
+	DNSRCode string `json:"dns-rcode"`
 
 	// Body is the response body
 	Body []byte `json:"-"`