Github user justinleet commented on the issue:
https://github.com/apache/metron/pull/780
@nickwallen I figured out what the problem was. I'd replaced dashes with
spaces and lowercased it, but left the period in `2.x`. After removing the
period, links worked.
@cestella Added sections to the various files. `Upgrading.md` is a more
stripped down version of what's in the main README addition. Minor catch is is
we don't really have a nice way to point to a more permanent (i.e. github) link
since we don't actually have a permanent link to point to yet. I just referred
to metron-platform/metron-elasticsearch/README.md without an actual link. Let
me know if there's something better you'd like to see there.
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