[Containers] Fix typo (cloudflare#26659)

Author: levidurfee

src/content/docs/containers/examples/stateless.mdx

@@ -30,7 +30,7 @@ export default {
 
 :::note
 This example uses the `getRandom` function, which is a temporary helper that will randomly
-select of of N instances of a Container to route requests to.
+select one of N instances of a Container to route requests to.
 
 In the future, we will provide improved latency-aware load balancing and autoscaling.