diff --git a/README.md b/README.md
index c2dbed5..c63afdb 100644
--- a/README.md
+++ b/README.md
@@ -113,7 +113,7 @@ func pay() gin.HandlerFunc {
         // Get Transaction ID
         transactionID := payment.GetTransactionID()
         // Redirect the user to the bank payment page.
-        payUrl := payment.PayUrl()
+        payUrl := payment.PayURL()
 		c.Redirect(http.StatusFound, payUrl)
 	}
 }
diff --git a/gateway/driver.go b/gateway/driver.go
index 256f962..e8a698f 100644
--- a/gateway/driver.go
+++ b/gateway/driver.go
@@ -9,8 +9,8 @@ import (
 type Driver interface {
 	// Purchase sends a purchase request to the driver's gateway.
 	Purchase(invoice *invoice.Invoice) (string, error)
-	// PayUrl returns the url to redirect the user to for payment.
-	PayUrl(invoice *invoice.Invoice) string
+	// PayURL returns the url to redirect the user to for payment.
+	PayURL(invoice *invoice.Invoice) string
 	// GetDriverName returns the name of the driver.
 	GetDriverName() string
 	// Verify checks the payment status of the invoice.
diff --git a/gopayment.go b/gopayment.go
index ac64d1a..b1e6252 100644
--- a/gopayment.go
+++ b/gopayment.go
@@ -37,7 +37,7 @@ func (p *Payment) Purchase() error {
 
 // PayURL return the payment URL
 func (p *Payment) PayURL() string {
-	return p.driver.PayUrl(p.invoice)
+	return p.driver.PayURL(p.invoice)
 }
 
 // PayMethod returns the Request Method to be used to pay the invoice.
diff --git a/test/gopayment_test.go b/test/gopayment_test.go
index 9165535..05c9b02 100644
--- a/test/gopayment_test.go
+++ b/test/gopayment_test.go
@@ -59,7 +59,7 @@ func (g *Gateway) Purchase(invoice *invoice.Invoice) (string, error) {
 	}
 	return invoice.GetUUID(), nil
 }
-func (g *Gateway) PayUrl(invoice *invoice.Invoice) string {
+func (g *Gateway) PayURL(invoice *invoice.Invoice) string {
 	return "Gateway.com/" + invoice.GetTransactionID()
 }
 func (g *Gateway) Verify(interface{}) (*receipt.Receipt, error) {