fix discord channel link (#8366)

website/blog/2016-12-15-2016-in-jest.md

@@ -13,7 +13,7 @@ The newly created [react-test-renderer](https://yarnpkg.com/en/package/react-tes
 
 The [pretty-format](https://github.com/facebook/jest/tree/master/packages/pretty-format) project was rewritten with performance in mind to drive Jest's snapshot feature, was recently merged into Jest's monorepo and is also helpful in other [test runners](https://github.com/avajs/ava/pull/1154). Nowadays Jest is much more about collecting different ideas and solutions to testing than it is about one specific implementation of a test framework.
 
-I'd like to deeply thank all the people that have [contributed to Jest this year](https://github.com/facebook/jest/graphs/contributors?from=2016-01-01&to=2016-12-14&type=c), both from the open source community and at Facebook: Dmitrii Abramov, Cristian Carlesso, Dan Abramov, Daniel Lo Nigro, Maxim Derbin, Evan Scott, Forbes Lindesay, Keyan Zhang and 60 more people. We'd also like to welcome [Michał Pierzchała (@thymikee)](https://twitter.com/thymikee) as first official external contributor to Jest. He's been doing a great job managing the issues and PRs on the repo. If you'd like to start contributing to Jest, we have a bunch of [good first tasks](https://github.com/facebook/jest/issues?q=is%3Aissue+is%3Aopen+label%3A%22good+first+bug%22) and we are always happy to help on our [discord channel](https://jestjs.io/support.html).
+I'd like to deeply thank all the people that have [contributed to Jest this year](https://github.com/facebook/jest/graphs/contributors?from=2016-01-01&to=2016-12-14&type=c), both from the open source community and at Facebook: Dmitrii Abramov, Cristian Carlesso, Dan Abramov, Daniel Lo Nigro, Maxim Derbin, Evan Scott, Forbes Lindesay, Keyan Zhang and 60 more people. We'd also like to welcome [Michał Pierzchała (@thymikee)](https://twitter.com/thymikee) as first official external contributor to Jest. He's been doing a great job managing the issues and PRs on the repo. If you'd like to start contributing to Jest, we have a bunch of [good first tasks](https://github.com/facebook/jest/issues?q=is%3Aissue+is%3Aopen+label%3A%22good+first+bug%22) and we are always happy to help on our [discord channel](https://jestjs.io/en/help).
 
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