Fixing tutorial link

README.md

@@ -411,7 +411,7 @@ customerAggregations.Apply(x => ApplyFunctions.GeoDistance(x.RecordShell.Home, -
 
 ## 📚 Documentation
 
-This README just scratches the surface. You can find a full tutorial on the [Redis Developer Site](https://developer.redis.com/develop/dotnet/redis-om-dotnet/getting-started/). All the summary docs for this library can be found on the repo's [github page](https://redis.github.io/redis-om-dotnet/).
+This README just scratches the surface. You can find a full tutorial on the [redis.io](https://redis.io/learn/develop/dotnet/redis-om-dotnet/add-and-retrieve-objects). All the summary docs for this library can be found on the repo's [github page](https://redis.github.io/redis-om-dotnet/).
 
 ## ⛏️ Troubleshooting