Update guides/hosting/performance/k6.md

Co-authored-by: Micha Hobert <[email protected]>

Author: shyim

guides/hosting/performance/k6.md

@@ -66,7 +66,7 @@ The command `framework:demodata` can also execute multiple times in parallel, so
 
 ## Running the tests
 
-::: info
+::: warning
 When running against a production environment, make sure you have informed your hosting provider. Your IP may be blocked for a short time or limited to a certain number of requests, which could lead to a false positive. Grafana Cloud is generally recommended as it allows you to distribute the load across multiple locations.
 :::