Update pricing.mdx

inform users of 2/1/25 persistent logs billing start

Author: kathayl

src/content/docs/ai-gateway/reference/pricing.mdx

@@ -17,7 +17,7 @@ You can monitor your usage in the AI Gateway dashboard.
 
 :::note[Note]
 
-During the open beta, paid users can store logs persistently up to our limit of 10 million logs per gateway without being charged. Free users can use up to the free allocation below. Billing and plan limits will be applied once this feature reaches General Availability (GA). We will provide ample advance notice before this transition.
+**Persistent Logs will reach **General Availability (GA) on February 1, 2025. Starting on this date, billing for persistent log storage will begin** for usage that exceeds the included volumes per plan (see details below). If you've been using persistent logs during the beta but do not wish to incur charges, please ensure your stored logs are within your plan's free volume before January 31, 2025. 
 
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