MINORE: updated documentation

code/SpamProtecterManager.php

@@ -27,10 +27,11 @@ class SpamProtecterManager {
 	 * 					and a string of field names (seperated by comma) as a value.
 	 *                 	The naming of the fields is based on the implementation of the subclass of SpamProtecterField.
 	 * 					*** Most of the web service doesn't require this.   
-	 * @return 	SpamProtecterField					
+	 * @return 	SpamProtector object					
 	 */
 	static function update_form($form, $before=null, $callbackObject=null, $fieldsToSpamServiceMapping=null) {
 		$protecter = new self::$spam_protecter();
+
 		$protecter->updateForm($form, $before, $callbackObject, $fieldsToSpamServiceMapping);
 		return $protecter;
 	}