rephrase the note

Author: halkazwini

articles/frontdoor/front-door-caching.md

@@ -222,7 +222,7 @@ In addition, Front Door attaches the `X-Cache` header to all responses. The `X-C
 - `CONFIG_NOCACHE`: Request is configured to not cache in the Front Door profile.
 
 > [!NOTE]
-> Azure Front Door strips the `Content-Type` header for empty files when caching is enabled. To enable sending this header, use Azure Front Door rules to manually override it for such files. You also can disable caching for empty files, but this approach is less recommended as it increases the load on your origin and may impact performance.
+> Azure Front Door strips the `Content-Type` header for empty files when caching is enabled. To continue sending this header to clients, use Azure Front Door rules engine (Action - Modify response header, Operator - Overwrite, Header name - Content-Type) to manually override it for such files. You also can disable caching for empty files, but this approach is less recommended as it increases the load on your origin and may impact performance.
 
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