docs(ai): fix typo

This commit fixes a small typo.

Co-authored-by: Rafał Leszko <[email protected]>

ai/gateways/start-gateway.mdx

@@ -102,7 +102,7 @@ Follow the steps below to start your Livepeer AI Gateway node:
         </Steps>
 
         <Note>
-            If binaries are unavailable for your system, you can build the [maser branch](https://github.com/livepeer/go-livepeer/tree/master) of [go-livepeer](https://github.com/livepeer/go-livepeer) from source. Refer to the [Livepeer installation guide](/orchestrators/guides/install-go-livepeer#install-using-a-binary-release) or reach out to the Livepeer community on [Discord](https://discord.gg/livepeer) for assistance.
+            If binaries are unavailable for your system, you can build the [master branch](https://github.com/livepeer/go-livepeer/tree/master) of [go-livepeer](https://github.com/livepeer/go-livepeer) from source. Refer to the [Livepeer installation guide](/orchestrators/guides/install-go-livepeer#install-using-a-binary-release) or reach out to the Livepeer community on [Discord](https://discord.gg/livepeer) for assistance.
         </Note>
     </Tab>