Change casing

Author: chasefleming

README.md

@@ -73,7 +73,7 @@ TL;DR? See an overview of examples using JavaScript Proxy in [the summary](./exa
 - [rus_roulette](https://github.com/naorzr/rus_roulette): Bringing runtime errors back to fashion
 - [Echo](https://github.com/mrjacobbloom/echo): Write a line of code that starts with `Echo`, and Echo will print it back to the console.
 - [Comlink](https://github.com/GoogleChromeLabs/comlink): Uses proxies to hide the fact that you're using Web Workers.
-- [Enum-XYZ](https://github.com/chasefleming/enum-xyz): JavaScript enums using proxies.
+- [enum-xyz](https://github.com/chasefleming/enum-xyz): JavaScript enums using proxies.
 
 
 ## Meta-programming in general