diff --git a/programs/zstd.1 b/programs/zstd.1
index 42714679..7e2e9915 100644
--- a/programs/zstd.1
+++ b/programs/zstd.1
@@ -1,5 +1,5 @@
 .
-.TH "ZSTD" "1" "May 2017" "zstd 1.3.0" "User Commands"
+.TH "ZSTD" "1" "June 2017" "zstd 1.3.0" "User Commands"
 .
 .SH "NAME"
 \fBzstd\fR \- zstd, zstdmt, unzstd, zstdcat \- Compress or decompress \.zst files
@@ -235,8 +235,8 @@ benchmark file(s) using multiple compression levels, from \fB\-b#\fR to \fB\-e#\
 minimum evaluation time, in seconds (default : 3s), benchmark mode only
 .
 .TP
-\fB\-B#\fR
-cut file into independent blocks of size # (default: no block)
+\fB\-B#\fR, \fB\-\-block\-size=#\fR
+cut file(s) into independent blocks of size # (default: no block)
 .
 .TP
 \fB\-\-priority=rt\fR
diff --git a/programs/zstd.1.md b/programs/zstd.1.md
index 2f5a6747..4e731ddb 100644
--- a/programs/zstd.1.md
+++ b/programs/zstd.1.md
@@ -230,8 +230,8 @@ BENCHMARK
     benchmark file(s) using multiple compression levels, from `-b#` to `-e#` (inclusive)
 * `-i#`:
     minimum evaluation time, in seconds (default : 3s), benchmark mode only
-* `-B#`:
-    cut file into independent blocks of size # (default: no block)
+* `-B#`, `--block-size=#`:
+    cut file(s) into independent blocks of size # (default: no block)
 * `--priority=rt`:
     set process priority to real-time