message: Tweak Yarn docs link post-review
diff: @@ -133,8 +133,10 @@ Development
  Ensure you have the latest LTS version of Node.js installed.
  -Using `yarn` instead of `npm` is recommended. Please see the Yarn [install
  -guide](https://classic.yarnpkg.com/en/docs/install) to "Yarn 1" if you do not have it already. This project has not yet been migrated to Yarn 2, so please ensure yarn --version shows a version from the 1.x series.
  +Using `yarn` instead of `npm` is recommended. Please see the Yarn 1 [install
  +guide](https://classic.yarnpkg.com/docs/install) if you do not have it
  +already. This project has not yet been migrated to Yarn 2, so please ensure
  +`yarn --version` shows a version from the 1.x series.
  `matrix-react-sdk` depends on `matrix-js-sdk`. To make use of changes in the
  latter and to ensure tests run against the develop branch of `matrix-js-sdk`,
  