Update readme.md

readme.md

@@ -45,7 +45,7 @@ This monorepo is the home of the Speckle v2 web packages:
 - [`packages/frontend`](https://github.com/specklesystems/speckle-server/blob/main/packages/frontend): the Frontend, a static Vue app.
 - [`packages/viewer`](https://github.com/specklesystems/speckle-server/blob/main/packages/viewer): a threejs extension that allows you to display 3D data [![npm version](https://camo.githubusercontent.com/dc69232cc57b77de6554e752dd6dfc60ca0ecdfbe91bdfcbf7c7531a511ec200/68747470733a2f2f62616467652e667572792e696f2f6a732f253430737065636b6c652532467669657765722e737667)](https://www.npmjs.com/package/@speckle/viewer)
 - [`packages/objectloader`](https://github.com/specklesystems/speckle-server/blob/main/packages/objectloader): a small js utility class that helps you stream an object and all its sub-components from the Speckle Server API. [![npm version](https://camo.githubusercontent.com/4d4f1e38ce50aaf11b4a3ad8e01ce3eaaa561dc5fd08febbae556f52f1d41097/68747470733a2f2f62616467652e667572792e696f2f6a732f253430737065636b6c652532466f626a6563746c6f616465722e737667)](https://www.npmjs.com/package/@speckle/objectloader)
-- [packages/preview-service`](https://github.com/specklesystems/speckle-server/blob/main/packages/preview-service): generates object previews for Speckle Objects headlessly. This package is meant to be called on by the server.
+- [`packages/preview-service`](https://github.com/specklesystems/speckle-server/blob/main/packages/preview-service): generates object previews for Speckle Objects headlessly. This package is meant to be called on by the server.
 - [`webhook-service`](https://github.com/specklesystems/speckle-server/tree/main/packages/webhook-service): the Webhook service
 
 ### Other repos