diff --git a/programs/zstd.1 b/programs/zstd.1
index cc62eb30..d7760f78 100644
--- a/programs/zstd.1
+++ b/programs/zstd.1
@@ -43,7 +43,7 @@ It also features a very fast decoder, with speed > 500 MB/s per core.
 .SH OPTIONS
 .TP
 .B \-#
- # compression level [1-21] (default:1)
+ # compression level [1-22] (default:1)
 .TP
 .BR \-d ", " --decompress
  decompression