diff --git a/README.md b/README.md
index 7d74225..f1ef46b 100644
--- a/README.md
+++ b/README.md
@@ -46,11 +46,3 @@ Usage Example
 Included with this repo is [example.go](example/example.go), a simple HTTP server which creates the reCaptcha form and tests the input.
 
 See the [instructions](example/README.md) for running the example for more details.
-
-## Donate
-
-If you find this work useful, please consider making a donation:
-
-<a href="bitcoin:14TM4ADKJbaGEi8Qr8dh4KfPBQmjTshkZ2">Bitcoin Donate</a> `14TM4ADKJbaGEi8Qr8dh4KfPBQmjTshkZ2`
-
-![QR code](https://bitref.com/qr.php?data=14TM4ADKJbaGEi8Qr8dh4KfPBQmjTshkZ2)
diff --git a/recaptcha.go b/recaptcha.go
index a3218a3..0b07b48 100644
--- a/recaptcha.go
+++ b/recaptcha.go
@@ -28,11 +28,11 @@ const recaptchaServerName = "https://www.google.com/recaptcha/api/siteverify"
 
 var recaptchaPrivateKey string
 
-// check uses the client ip address, the challenge code from the reCaptcha form,
+// Check uses the client ip address, the challenge code from the reCaptcha form,
 // and the client's response input to that challenge to determine whether or not
 // the client answered the reCaptcha input question correctly.
-// It returns a boolean value indicating whether or not the client answered correctly.
-func check(remoteip, response string) (r RecaptchaResponse, err error) {
+// It returns a RecaptchaResponse object wich contains user response.
+func Check(remoteip, response string) (r RecaptchaResponse, err error) {
 	resp, err := http.PostForm(recaptchaServerName,
 		url.Values{"secret": {recaptchaPrivateKey}, "remoteip": {remoteip}, "response": {response}})
 	if err != nil {
@@ -53,13 +53,12 @@ func check(remoteip, response string) (r RecaptchaResponse, err error) {
 	return
 }
 
-// Confirm is the public interface function.
-// It calls check, which the client ip address, the challenge code from the reCaptcha form,
+// Confirm calls check, which the client ip address, the challenge code from the reCaptcha form,
 // and the client's response input to that challenge to determine whether or not
 // the client answered the reCaptcha input question correctly.
 // It returns a boolean value indicating whether or not the client answered correctly.
 func Confirm(remoteip, response string) (result bool, err error) {
-	resp, err := check(remoteip, response)
+	resp, err := Check(remoteip, response)
 	result = resp.Success
 	return
 }