Raindex CIE 174 Colour rendering measures the light sources ability to render colours correctly and is graded from 0100 8 colours act as controls against a predefined light source Luminous efficacy H LmW

Could you correct the punctuation please?
Ra-index CIE 17.4 Colour rendering measures the light source's ability to render colours correctly and is graded from 0-100. 8 colours act as controls against a pre-defined light source. Luminous efficacy H Lm/W