Fixes DocBlocks in Zend_Captcha_Image

library/Zend/Captcha/Image.php

@@ -240,24 +240,36 @@ class Zend_Captcha_Image extends Zend_Captcha_Word
     {
         return $this->_width;
     }
+
     /**
+     * Set start image
+     *
      * @param string $startImage
+     * @return Zend_Captcha_Image
      */
     public function setStartImage ($startImage)
     {
         $this->_startImage = $startImage;
         return $this;
     }
+
     /**
+     * Set dot noise level
+     *
      * @param int $dotNoiseLevel
+     * @return Zend_Captcha_Image
      */
     public function setDotNoiseLevel ($dotNoiseLevel)
     {
         $this->_dotNoiseLevel = $dotNoiseLevel;
         return $this;
     }
-   /**
+
+    /**
+     * Set line noise level
+     *
      * @param int $lineNoiseLevel
+     * @return Zend_Captcha_Image
      */
     public function setLineNoiseLevel ($lineNoiseLevel)
     {
@@ -348,8 +360,12 @@ class Zend_Captcha_Image extends Zend_Captcha_Word
         $this->_imgUrl = rtrim($imgUrl, "/\\") . '/';
         return $this;
     }
+
     /**
+     * Set image alternative text
+     *
      * @param string $imgAlt
+     * @return Zend_Captcha_Image
      */
     public function setImgAlt ($imgAlt)
     {
@@ -440,8 +456,9 @@ class Zend_Captcha_Image extends Zend_Captcha_Word
      * Override this function if you want different image generator
      * Wave transform from http://www.captcha.ru/captchas/multiwave/
      *
-     * @param string $id Captcha ID
+     * @param string $id   Captcha ID
      * @param string $word Captcha word
+     * @throws Zend_Captcha_Exception
      */
     protected function _generateImage($id, $word)
     {
@@ -567,7 +584,6 @@ class Zend_Captcha_Image extends Zend_Captcha_Word
 
     /**
      * Remove old files from image directory
-     *
      */
     protected function _gc()
     {