From c44b645c6ceb6b346d2ca18f851ba7987db5f6d2 Mon Sep 17 00:00:00 2001
From: Kenji Okimoto <kenji.okimoto@repro.io>
Date: Wed, 7 Apr 2021 17:08:59 +0900
Subject: [PATCH] Add comment to unsupported compression codec

---
 README.md | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 7929b63..b31f2eb 100644
--- a/README.md
+++ b/README.md
@@ -424,9 +424,9 @@ parquet compression codec.
 * uncompressed
 * snappy (default)
 * gzip
-* lzo
-* brotli
-* lz4
+* lzo (unsupported by columnify)
+* brotli (unsupported by columnify)
+* lz4 (unsupported by columnify)
 * zstd
 
 **parquet_page_size**