[ci skip] Deprecate extra parameters of the CAPTCHA helper
diff --git a/system/helpers/captcha_helper.php b/system/helpers/captcha_helper.php
index 8f44806..b1a7eed 100644
--- a/system/helpers/captcha_helper.php
+++ b/system/helpers/captcha_helper.php
@@ -54,10 +54,10 @@
/**
* Create CAPTCHA
*
- * @param array $data data for the CAPTCHA
- * @param string $img_path path to create the image in
- * @param string $img_url URL to the CAPTCHA image folder
- * @param string $font_path server path to font
+ * @param array $data Data for the CAPTCHA
+ * @param string $img_path Path to create the image in (deprecated)
+ * @param string $img_url URL to the CAPTCHA image folder (deprecated)
+ * @param string $font_path Server path to font (deprecated)
* @return string
*/
function create_captcha($data = '', $img_path = '', $img_url = '', $font_path = '')