message: docs: when content-encoding header presents, envoy does not apply gzip compression
diff: @@ -61,8 +61,8 @@ By *default* compression will be *skipped* when:
  When compression is *applied*:
  - The *content-length* is removed from response headers.
  -- Response headers contain "*transfer-encoding: chunked*" and
  - "*content-encoding: gzip*".
  +- Response headers contain "*transfer-encoding: chunked*" and do not contain
  + "*content-encoding*" header.
  - The "*vary: accept-encoding*" header is inserted on every response.
  .. _gzip-statistics:
  @@ -87,4 +87,3 @@ Every configured Gzip filter has statistics rooted at <stat_prefix>.gzip.* with
  total_compressed_bytes, Counter, The total compressed bytes of all the requests that were marked for compression.
  content_length_too_small, Counter, Number of requests that accepted gzip encoding but did not compress because the payload was too small.
  not_compressed_etag, Counter, Number of requests that were not compressed due to the etag header. *disable_on_etag_header* must be turned on for this to happen.
  -
  \ No newline at end of file
  