Spelling & Grammar - It is for the development stage - Key Skills at Level 2 in Literacy and Numeracy and Level 1 in IT fall from the NOS.
I recommend contacting the FBU Learning project, see the website for details, your Union Learning Representative will help with spelling and comprehension courses. No joke, no offence intended, but it will assist you as you will be expoected to be completing reports/forms and general admin, probably on PC and accuracy is required. Also you have to demonstrate that you actively seek your own personal development. Working to improve in those areas would give evidence for this, as well as gaining you valuable skills useable elsewhere in the standards. Most of your mistakes were typing erros but "in the no" may have been Jonny's point?