doc: man: Add documentation of -x flag

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/omar.1 b/omar.1
index e59be31..d3b39af 100644
--- a/omar.1
+++ b/omar.1
@@ -41,6 +41,9 @@ Prepare files for use in an initramfs
 .Ft -o
     output path
 
+.Ft -x
+    extract an archive
+
 Upon creation of the archive image, OMAR will
 produce pathnames through stdout with the following
 types in square brackets ([])