Tiny correction of phpdoc

program/include/rcmail.php

@@ -223,7 +223,7 @@ class rcmail
   /**
    * Get the current database connection
    *
-   * @return object rcube_db  Database connection object
+   * @return object rcube_mdb2  Database connection object
    */
   public function get_dbh()
   {

program/include/rcube_imap.php

@@ -1017,7 +1017,7 @@ class rcube_imap
    * an object structure similar to the one generated by PEAR::Mail_mimeDecode
    *
    * @param int Message UID to fetch
-   * @return object stdClass Message part tree or False on failure
+   * @return object rcube_message_part Message part tree or False on failure
    */
   function &get_structure($uid)
     {