Profile: webD-3

add_filter( 'gettext', 'change_rfg_internal_title', 20, 3 );
/**
 * Change RFG internal title text
 *
 * @link http://codex.wordpress.org/Plugin_API/Filter_Reference/gettext
 */
function change_rfg_internal_title( $translated_text, $text, $domain ) {
 
    if ( is_admin() ) {
 
        switch ( $translated_text ) {
 
            case 'Enter your internal title for the item.' :
 
                $translated_text = __( 'Put your plain text message here' );
                break;
        }
 
    }
 
    return $translated_text;
}