Update README.md

Author: hcarlens

README.md

@@ -1,6 +1,6 @@
 <h1 align="center">Cloud GPUs</h1>
 
-A sortable list of pcloud GPU providers, viewable on [cloud-gpus.com](https://cloud-gpus.com). 
+A sortable list of cloud GPU providers (NVIDIA and AMD), viewable on [cloud-gpus.com](https://cloud-gpus.com). 
 
 Please submit a pull request for any changes.