Update index.mdx (#17440)

for learning more about plan limits, changed link from Pricing page to Limits page

Author: kathayl

src/content/docs/ai-gateway/observability/logging/index.mdx

@@ -14,7 +14,7 @@ Your AI Gateway dashboard shows logs of individual requests, including the user
 
 You can store up to 10 million logs per gateway. If your limit is reached, new logs will stop being saved. To continue saving logs, you must delete older logs to free up space for new logs.
 
-To learn more about your plan limits, refer to [Pricing](/ai-gateway/reference/pricing/).
+To learn more about your plan limits, refer to [Limits](/ai-gateway/reference/limits/).
 
 ## Default configuration