How to get the text of an element using scrapy

want o access

tag. I want to access the

tag and want to get the text of that

which is basically a child of alot of div elements.But when i write the xpath to return all the

element in the document. It does not returning these

which i want to get. These

basically are comments of website. I can see the

when i inspect the page but i can not see those

when i open view page source.How i scrape these type of elements ??

selecting p tags using xpath