diff --git a/recaptcha.go b/recaptcha.go
index 64a97ac..bad57b5 100644
--- a/recaptcha.go
+++ b/recaptcha.go
@@ -19,8 +19,8 @@ const (
 	V2 VERSION = iota
 	// V3 recaptcha api v3, more details can be found here : https://developers.google.com/recaptcha/docs/v3
 	V3
-	// DefaultTreshold Default minimin score when using V3 api
-	DefaultTreshold float32 = 0.5
+	// DefaultThreshold Default minimin score when using V3 api
+	DefaultThreshold float32 = 0.5
 )
 
 type reCHAPTCHARequest struct {
@@ -100,7 +100,7 @@ type VerifyOption struct {
 	RemoteIP       string
 }
 
-// VerifyWithOptions returns `nil` if no error and the client solved the challenge correctly and all options are natching
+// VerifyWithOptions returns `nil` if no error and the client solved the challenge correctly and all options are matching
 // `Threshold` and `Action` are ignored when using V2 version
 func (r *ReCAPTCHA) VerifyWithOptions(challengeResponse string, options VerifyOption) error {
 	var body reCHAPTCHARequest
@@ -164,8 +164,8 @@ func (r *ReCAPTCHA) confirm(recaptcha reCHAPTCHARequest, options VerifyOption) (
 			Err = fmt.Errorf("received score '%f', while expecting minimum '%f'", result.Score, options.Threshold)
 			return
 		}
-		if options.Threshold == 0 && DefaultTreshold > result.Score {
-			Err = fmt.Errorf("received score '%f', while expecting minimum '%f'", result.Score, DefaultTreshold)
+		if options.Threshold == 0 && DefaultThreshold > result.Score {
+			Err = fmt.Errorf("received score '%f', while expecting minimum '%f'", result.Score, DefaultThreshold)
 			return
 		}
 	}
diff --git a/recaptcha_test.go b/recaptcha_test.go
index 8d1a5cf..142a663 100644
--- a/recaptcha_test.go
+++ b/recaptcha_test.go
@@ -358,10 +358,10 @@ func (s *ReCaptchaSuite) TestV3VerifyWithActionOption(c *C) {
 
 }
 
-type mockV3SuccessClientWithTresholdOption struct{}
-type mockV3FailClientWithTresholdOption struct{}
+type mockV3SuccessClientWithThresholdOption struct{}
+type mockV3FailClientWithThresholdOption struct{}
 
-func (*mockV3SuccessClientWithTresholdOption) PostForm(url string, formValues url.Values) (resp *http.Response, err error) {
+func (*mockV3SuccessClientWithThresholdOption) PostForm(url string, formValues url.Values) (resp *http.Response, err error) {
 	resp = &http.Response{
 		Status:     "200 OK",
 		StatusCode: 200,
@@ -375,7 +375,7 @@ func (*mockV3SuccessClientWithTresholdOption) PostForm(url string, formValues ur
 	`))
 	return
 }
-func (*mockV3FailClientWithTresholdOption) PostForm(url string, formValues url.Values) (resp *http.Response, err error) {
+func (*mockV3FailClientWithThresholdOption) PostForm(url string, formValues url.Values) (resp *http.Response, err error) {
 	resp = &http.Response{
 		Status:     "200 OK",
 		StatusCode: 200,
@@ -389,16 +389,16 @@ func (*mockV3FailClientWithTresholdOption) PostForm(url string, formValues url.V
 	`))
 	return
 }
-func (s *ReCaptchaSuite) TestV3VerifyWithTresholdOption(c *C) {
+func (s *ReCaptchaSuite) TestV3VerifyWithThresholdOption(c *C) {
 	captcha := ReCAPTCHA{
-		client:  &mockV3SuccessClientWithTresholdOption{},
+		client:  &mockV3SuccessClientWithThresholdOption{},
 		Version: V3,
 	}
 
 	err := captcha.VerifyWithOptions("mycode", VerifyOption{Threshold: 0.6})
 	c.Assert(err, IsNil)
 
-	captcha.client = &mockV3FailClientWithTresholdOption{}
+	captcha.client = &mockV3FailClientWithThresholdOption{}
 	err = captcha.VerifyWithOptions("mycode", VerifyOption{Threshold: 0.6})
 	c.Assert(err, NotNil)
 	c.Check(err, ErrorMatches, "received score '0.230000', while expecting minimum '0.600000'")
@@ -426,7 +426,7 @@ func (*mockV2SuccessClientWithV3IgnoreOptions) PostForm(url string, formValues u
 }
 func (s *ReCaptchaSuite) TestV2VerifyWithV3IgnoreOptions(c *C) {
 	captcha := ReCAPTCHA{
-		client:  &mockV3SuccessClientWithTresholdOption{},
+		client:  &mockV3SuccessClientWithThresholdOption{},
 		Version: V2,
 	}
 	err := captcha.VerifyWithOptions("mycode", VerifyOption{Action: "homepage", Threshold: 0.5})