Update README.md

Author: jbwyme

README.md

@@ -11,7 +11,7 @@ There are a few ways you can use this repo to deploy a server that can be use to
 
 ### Option 1: One-click Deploy
    - [Run on Google Cloud](https://deploy.cloud.run)
-   - [Deploy to DigitalOcean](https://cloud.digitalocean.com/apps/new?repo=https://github.com/mixpanel/tracking-proxy)
+   - [Deploy to DigitalOcean](https://cloud.digitalocean.com/apps/new?repo=https://github.com/mixpanel/tracking-proxy/tree/master)
 
 ### Option 2: Docker Image
    Assuming you have Docker installed on your system, you can do the following: