Update README.md

Author: 6

README.md

@@ -12,8 +12,8 @@ Clone the repo and install dependencies.
 
 You will need to sign up for two services if you haven't already:
 
-- [Cloudflare](https://www.cloudflare.com):
-- [Upstash](https://upstash.com): Cache is stored using Upstash's Worker-compatible redis-over-HTTP service.
+- [Cloudflare](https://www.cloudflare.com): Where our worker will be hosted.
+- [Upstash](https://upstash.com): Cache is stored using Upstash's redis-over-HTTP service. Depending on your usage, you may try replacing this with Cloudflare KV instead which is eventually consistent but will likely provide better read latency.
 
 Both Cloudflare and Upstash have generous free plans.