Fix CNCF name

Author: virtualroot

README.md

@@ -147,7 +147,7 @@
 - [OSS EU 2023 - Project Overview](https://www.youtube.com/watch?v=-8sOE9-icmY&t=15116s)
 - [Code To Cloud - Getting Started With OpenTofu](https://www.youtube.com/watch?v=HeUz6TMg82U)
 - [CNCF - OpenTofu Day Europe 2024](https://www.youtube.com/playlist?list=PLnVotLM2Qsyiw_6Pd_9WxRRLdrUAs3c1c)
-- [CNCF - OpenTofu Day America 2024](https://www.youtube.com/playlist?list=PLnVotLM2QsyhhCO5TgEUsAip601j3NUlm)
+- [CNCF - OpenTofu Day North America 2024](https://www.youtube.com/playlist?list=PLnVotLM2QsyhhCO5TgEUsAip601j3NUlm)
 
 ## Podcasts