Shopify/statsd-instrument — pull request #46 by cschneid (2014-05-14 15:03:41+00:00)
Title: Fix README's Constants for Backends

Before: `::Backend::NullBackend` - which doesn't exist

After: `::Backends::NullBackend` - which does.

See https://github.com/Shopify/statsd-instrument/blob/master/lib/statsd/instrument/backends/null_backend.rb for one of the module definitions.