fix: Update README with PR preview link information (#1837)

Co-authored-by: Devin Logan <[email protected]>

Author: Ryan-Amirthan

README.md

@@ -23,7 +23,7 @@ Before you begin, make sure you have the following installed:
    cd docs
    ```
 
-### Local development
+### Editing documentation
 
 To run the documentation site locally:
 
@@ -39,6 +39,9 @@ To run the documentation site locally:
 
 The development server will automatically reload when you make changes to the documentation files.
 
+Finally, when you make a PR to update the docs, a PR preview link will be generated which will allow you
+to test if your changes came out as intended. [Here](https://github.com/fern-api/docs/pull/1784) is a sample PR with a preview link.
+
 ## Contribution guide
 
 Thanks for contributing to Fern's documentation!
@@ -117,4 +120,4 @@ If you want to **add a new page or make a large structural change**:
 For **all other changes**:
 -  Submit a PR directly with your suggested changes. A Fern docs member will review and confirm.
 
-If you see something that is wrong or outdated in the documentation but don't know how to fix it, [file an issue](https://github.com/fern-api/docs/issues) or reach out to [@devalog](https://github.com/devalog), [@kgowru](https://github.com/kgowru), or [@dsinghvi](https://github.com/dsinghvi).
+If you see something that is wrong or outdated in the documentation but don't know how to fix it, [file an issue](https://github.com/fern-api/docs/issues) or reach out to [@devalog](https://github.com/devalog), [@kgowru](https://github.com/kgowru), or [@dsinghvi](https://github.com/dsinghvi).