Update how-ddos-protection-works.mdx

Updated Time to Mitigate for L7 attacks.

Author: omer-cloudflare

src/content/docs/ddos-protection/about/how-ddos-protection-works.mdx

@@ -43,7 +43,7 @@ Instead, Cloudflare's DDoS Protection system provides the sensitivity adjustment
 
 - Immediate mitigation for Advanced TCP and DNS Protection systems.
 - Up to three seconds on average for the detection and mitigation of L3/4 DDoS attacks at the edge using the Network-layer DDoS Protection Managed rules.
-- Up to 15 seconds on average for the detection and mitigation of HTTP DDoS attacks at the edge using the HTTP DDoS Protection Managed rules.
+- Up to three seconds on average for the detection and mitigation of HTTP DDoS attacks at the edge using the HTTP DDoS Protection Managed rules.
 
 ## Data localization