Update README.md

Author: ggilmore

README.md

@@ -26,5 +26,5 @@ See [config.ts](config.ts) for more information, but you **must** set the follow
 Run `yarn` so that you install all the necessary dependencies. 
 
 - `yarn up`: creates a new GKE cluster and fetches the necessary credentials
-- `yarn destroy`: creates a GKE cluster that was previously created with `yarn up`
+- `yarn destroy`: deletes a GKE cluster that was previously created with `yarn up`
 - `yarn web`: opens the GCP page for your cluster in your webrowser