diff --git a/openai/extra_reading.txt b/openai/extra_reading.txt
index 4d413ff9..776b62c7 100644
--- a/openai/extra_reading.txt
+++ b/openai/extra_reading.txt
@@ -11,4 +11,11 @@ Large Language Models are Zero-Shot Reasoners (CoT)
 https://arxiv.org/abs/2205.11916
 
 Chain-of-Thought Prompting Elicits Reasoning in Large Language Models
-https://arxiv.org/abs/2201.11903
\ No newline at end of file
+https://arxiv.org/abs/2201.11903
+
+A much better example of "ELI5"
+https://www.reddit.com/r/ChatGPT/comments/1c5s51g/my_mother_and_i_had_difficulty_understanding_my
+
+What is RAG? — Retrieval-Augmented Generation Explained
+https://medium.com/@lazyprogrammerofficial/what-is-rag-retrieval-augmented-generation-explained-148c8bb9c00f
+https://lazyprogrammer.me/what-is-rag-retrieval-augmented-generation-explained/
\ No newline at end of file