Line 7:8·In general, we don't start a list item with a capital letter. Exceptions are proper nouns.
There Is
suggestion
"There are nine well defined epidermal naevus syndromes:"
Line 2:4·Don't start a sentence with 'There are'.
Biographical Lifespan
suggestion
"History and etymology"
Line 15:1·A bold element in the History and etymology section should be a person; it would be useful to have their lifespan details: '<h4>History and etymology</h4> <p><strong>Solomon</strong> '