Fix typo: duplicated word

04-prompt-engineering-fundamentals/README.md

@@ -3,7 +3,7 @@
 [![Prompt Engineering Fundamentals](./img/04-lesson-banner.png?WT.mc_id=academic-105485-koreyst)](https://youtu.be/r2ItK3UMVTk?WT.mc_id=academic-105485-koreyst)
 
 
-How you write your prompt to the LLM matters, a carefully crafted prompt can achieve achieve a better result than one that isn't. But what even are these concepts, prompt, prompt engineering and how do I improve what I send to the LLM? Questions like these are what this chapter and the upcoming chapter are looking to answer.
+How you write your prompt to the LLM matters, a carefully crafted prompt can achieve a better result than one that isn't. But what even are these concepts, prompt, prompt engineering and how do I improve what I send to the LLM? Questions like these are what this chapter and the upcoming chapter are looking to answer.
 
 _Generative AI_ is capable of creating new content (e.g., text, images, audio, code etc.) in response to user requests. It achieves this using _Large Language Models_ (LLMs) like OpenAI's GPT ("Generative Pre-trained Transformer") series that are trained for using natural language and code.