[Fix] Docs: code formatting error and link error (#1369)
[Fix] Docs: code formatting error and link error (#1369)

1. The missing "` "character was causing the code to not display correctly
2. The old link was having the error "404 - not found", I believe it has changed, I added a new link to the session "creating a pull request"
thumbor/thumbor,thumbor/thumbor,thumbor/thumbor,thumbor/thumbor