diff --git a/docs/_static/image-demo.png b/docs/_static/image-demo.png
new file mode 100644
index 0000000..b704286
Binary files /dev/null and b/docs/_static/image-demo.png differ
diff --git a/docs/image.rst b/docs/image.rst
index a0cfefb..4791e64 100644
--- a/docs/image.rst
+++ b/docs/image.rst
@@ -24,8 +24,16 @@ Generating image CAPTCHA with the :class:`ImageCaptcha` class is incredibly stra
     captcha = ImageCaptcha()
     data: BytesIO = captcha.generate('ABCD')
 
+The result image would be something like:
+
+.. figure:: ./_static/image-demo.png
+
+   This image CAPTCHA is generated by above code
+
 Fonts
 -----
 
+You should use
+
 Web server
 ----------