adding some comments
adding some comments

appleseedhq/cortex,goddardl/cortex,lento/cortex,hradec/cortex,hradec/cortex,appleseedhq/cortex,goddardl/cortex,davidsminor/cortex,goddardl/cortex,lento/cortex,davidsminor/cortex,lento/cortex,appleseedhq/cortex,hradec/cortex,davidsminor/cortex,davidsminor/cortex