Checked website for en-GB typos!

Spling has been very helpful, and I really appreciated the extra help you provided in locating some of the ‘ize’ Americanism’s that I needed to find / providing the text files!I have 181 pages we need checked for these American spellings, including Pediatric, which should be Paediatric.I did come across a tiny bug while I was working with it, I think, in the way the system strips the html, causing it to generate error reports for some items - so have listed that further down in case it is helpful. Though I’ve finished what I needed to on this side.