From e2d36d54b0e6de1111b46e3778365ecb01664b25 Mon Sep 17 00:00:00 2001
From: Sean Eustace <101840198+seaneustace@users.noreply.github.com>
Date: Tue, 25 Mar 2025 16:47:58 -0700
Subject: [PATCH] Update cache-responses.mdx

Age headers do not appear on Lower Tier HIT that are served from the upper tier cache
---
 src/content/docs/cache/concepts/cache-responses.mdx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/content/docs/cache/concepts/cache-responses.mdx b/src/content/docs/cache/concepts/cache-responses.mdx
index 22262b0111e2f4a..d3332fc2655042c 100644
--- a/src/content/docs/cache/concepts/cache-responses.mdx
+++ b/src/content/docs/cache/concepts/cache-responses.mdx
@@ -12,7 +12,7 @@ The `CF-Cache-Status` header output indicates whether a resource is cached or no
 :::note[`Age` response header]
 The `Age` response header is a header returned from cache that specifies the time in seconds that an asset has been in Cloudflare's cache. This value resets if the asset is revalidated, purged, or evicted and then re-cached.
 
-The `Age` header is only present for responses served from the cache. It will not appear on a cache MISS, dynamic traffic, or any responses that did not originate from the cache (for example, responses generated by a Worker that bypassed the cache).
+The `Age` header is only present for responses served from the cache. It will not appear on a cache MISS, dynamic traffic, the first request that populates the lower tier HIT from tiered cache `CacheTieredFill=true` or any responses that did not originate from the cache (for example, responses generated by a Worker that bypassed the cache).
 :::
 
 Below you can find a comprehensive breakdown of Cloudflare's cache response statuses.