Update pricing.mdx (#20569)

update pricing page with upcoming 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]
 
-Billing for persistent logs has not yet started. Users on paid plans can store logs beyond the included volume of 200,000 logs stored a month without being charged during this period. (Users on the free plan remain limited to the 100,000 logs cap for their plan.) We will provide plenty of advanced notice before charging begins for persistent log storage. 
+Billing for persistent log storage will begin on April 15, 2025. Users on paid plans can store logs beyond the included volume of 200,000 logs stored a month without being charged until this date. Users on the free plan remain limited to the 100,000 logs cap for their plan. Please ensure your stored logs are within your plan's included volume before April 14, 2025, if you do not want to be charged. 
 
 :::
 
@@ -30,7 +30,7 @@ Persistent logs are available on all plans, with a free allocation for both free
 | Workers Free | 100,000 logs total | N/A – Upgrade to Workers Paid        |
 | Workers Paid | 200,000 logs total | $8 per 100,000 logs stored per month |
 
-Allocations are based on the total logs stored across all gateways. If your limit is reached, new logs will stop being saved. To continue saving logs, you must [delete logs](/ai-gateway/observability/logging/#how-to-delete-logs/) to free up space. 
+Allocations are based on the total logs stored across all gateways. For guidance on managing or deleting logs, please see our [documentation](/ai-gateway/observability/logging).
 
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