diff --git a/pkg/captcha/captcha.go b/pkg/captcha/captcha.go
index 774df00..6e3b746 100644
--- a/pkg/captcha/captcha.go
+++ b/pkg/captcha/captcha.go
@@ -36,12 +36,7 @@ type Captcha interface {
 // BaseCaptcha is a base implementation of a CAPTCHA.
 //
 // All derivatives that embed this struct only need to
-// implement GetImage() and generateImage() methods.
-// And GetImage() could simply be copied.
-//
-// You need to do that because in Go there is no inheritance,
-// and if you won't do that, calling a base GetImage
-// method will call an empty base generateImage() method.
+// implement Image() method.
 type BaseCaptcha struct {
 	Answer   Answer
 	Solved   bool
@@ -52,11 +47,6 @@ func (c *BaseCaptcha) Image(style string) *image.Image {
 	return nil
 }
 
-func (c *BaseCaptcha) Solve(answer Answer) bool {
-	c.Solved = c.Answer == answer
-	return c.Solved
-}
-
 func (c *BaseCaptcha) GetAnswer() Answer {
 	if c.Answer == "" {
 		c.Answer = NewIntAnswer()
@@ -64,6 +54,11 @@ func (c *BaseCaptcha) GetAnswer() Answer {
 	return c.Answer
 }
 
+func (c *BaseCaptcha) Solve(answer Answer) bool {
+	c.Solved = c.Answer == answer
+	return c.Solved
+}
+
 func (c *BaseCaptcha) IsSolved() bool {
 	return c.Solved
 }