local-rate-limit: Fix doc comment for response_headers_to_add (#28270)

local-rate-limit: Fix doc comment

Signed-off-by: Vikas Choudhary <choudharyvikas16@gmail.com>

Mirrored from https://github.com/envoyproxy/envoy @ c53f81a43f44c7a3ea56bdda4a82044dbd78aafe

envoy/extensions/filters/http/local_ratelimit/v3/local_rate_limit.proto

@@ -71,7 +71,7 @@ message LocalRateLimit {
       [(validate.rules).repeated = {max_items: 10}];
 
   // Specifies a list of HTTP headers that should be added to each response for requests that
-  // have been rate limited. This occurs when the filter is either enabled or fully enforced.
+  // have been rate limited. This occurs when the filter is enabled and fully enforced.
   repeated config.core.v3.HeaderValueOption response_headers_to_add = 6
       [(validate.rules).repeated = {max_items: 10}];