add a note to add openai credits

Signed-off-by: Tony Chia <[email protected]>

Author: tchia04

docs/getting-started/getting-started.md

@@ -160,3 +160,17 @@ k8sgpt analyse --explain
 ```
 
 Congratulations! you have successfully created a local kubernetes cluster, deployed a "broken Pod" and analyzed it using `k8sgpt`.
+
+
+---
+**NOTE**
+
+If you get the following error message, please make sure to add some credits to your openai account.
+
+You can find the instruction on how to do that at https://help.openai.com/en/articles/8264644-how-can-i-set-up-prepaid-billing
+
+<pre>
+Error: exhausted API quota for AI provider openai: error, status code: 429, message: You exceeded your current quota, please check your plan and billing details. For more information on this error, read the docs: https://platform.openai.com/docs/guides/error-codes/api-errors.
+</pre>
+
+---