fix: include spans in spike protection page (#10548)

docs/pricing/quotas/spike-protection.mdx

@@ -7,7 +7,7 @@ description: "Learn how to manage your quota and make sure that your volume isn'
 
 A spike is a significant, temporary increase in your event volume. Because Sentry bills based on the number of events sent monthly, spikes can quickly consume your quota for an entire month. Spike Protection guards against this by establishing a spike threshold for the average number of events each of your projects sends and then dropping them after that threshold is reached.
 
-Spike Protection currently applies to errors, transactions, and attachments.
+Spike Protection currently applies to errors, transactions or spans, and attachments.
 
 <Note>