[TEC-565] AI credits and usage limits update (#2598)

* AI credits

* AI credits

* commit testing

* wording

* Apply suggestion from @abhijna

Author: abhijna

docs/semgrep-code/ai-detection-concepts.md

@@ -47,9 +47,9 @@ AI-powered detection builds on Semgrep's existing integration framework, such as
 
 During beta, you can choose between OpenAI, Anthropic, and Bedrock AI providers.
 
-### Scan limits 
+### Credits required for AI actions
 
-Each full AI-powered scan counts as one scan. Paying customers can trigger **30 scans per month**, and free tier customers can trigger **10 scans per month**. Please contact your Semgrep account manager or [Semgrep support](/docs/support) to discuss increasing your quota.  
+See [Usage and billing](/usage-and-billing/overview#ai-credits) for information about credits required for AI actions.
 
 ### Data privacy and finding severity