Update README.md

README.md

@@ -22,6 +22,12 @@ The RAG version of the demo mimicks training an LLM on an internal knowledgebase
 
 You need an OpenAI account with credit added to run this demo!
 
+### Why?
+
+OpenAI / ChatGPT severely limits the ability for API access if you do not have credit. Adding a small amount of credit ($2-$3) is the best way to make this (and all other ChatGPT demos) run smoothly.
+
+We have developed, tested and demoed this repository hundreds or times and still have money left from the initial $5 credit load.
+
 ### Create OpenAI API Token
 
 Go to `https://platform.openai.com/api-keys` and create a new API Key.