diff -Naur zstd-1.4.7.orig/programs/zstd.1 zstd-1.4.7/programs/zstd.1
--- zstd-1.4.7.orig/programs/zstd.1	2020-12-16 23:00:18.000000000 +0000
+++ zstd-1.4.7/programs/zstd.1	2020-12-17 15:15:22.586152398 +0000
@@ -208,6 +208,14 @@
 .
 .IP "\(bu" 4
 \fB\-\-\fR: All arguments after \fB\-\-\fR are treated as files
+
+.SH Parallel Zstd OPTIONS
+Additional options for the pzstd utility
+.TP
+.BR \-p ", " --processes
+ number of threads to use for (de)compression (default:4)
+
+
 .
 .IP "" 0
 .