fix swapped links (hail-is#4168)

README.md

@@ -38,8 +38,8 @@ We recommend that new users install `0.2 beta`, since this version is already ra
 To get started using Hail `0.2 beta` on your own data or on [public data](https://console.cloud.google.com/storage/browser/genomics-public-data/):
 
 - install Hail using the instructions in [Installation](https://hail.is/docs/devel/getting_started.html)
-- read the [Overview](https://hail.is/docs/devel/tutorials-landing.html) for a broad introduction to Hail
-- follow the [Tutorials](https://hail.is/docs/devel/overview.html) for examples of how to use Hail
+- read the [Overview](https://hail.is/docs/devel/overview.html) for a broad introduction to Hail
+- follow the [Tutorials](https://hail.is/docs/devel/tutorials-landing.html) for examples of how to use Hail
 - check out the [Python API](https://hail.is/docs/devel/api.html) for detailed information on the programming interface
 
 You can download phase 3 of the [1000 Genomes dataset](http://www.internationalgenome.org/about) in Hail's native matrix table format [here](https://console.cloud.google.com/storage/browser/hail-datasets/hail-data/?project=broad-ctsa).