Update src/content/docs/cache/concepts/default-cache-behavior.mdx

Author: angelampcosta

src/content/docs/cache/concepts/default-cache-behavior.mdx

@@ -31,7 +31,7 @@ When [Origin Cache Control](/cache/concepts/cache-control/) is enabled on an Ent
 
 ## Client side range requests
 
-Clients can send range requests to be served from the cache. For a cacheable request:
+Clients can send range requests to be served from the cache using the `Range` header. Note that:
 
  - If the origin response includes a `Content-Length` header, then the specified byte range will be returned with an HTTP 206 response.
  - If the origin response does not include the `Content-Length` header, the cache will return the full content with an HTTP 200 response.