[docs][PATCH] ref-manual: Document wic --offset option

[docs][PATCH] ref-manual: Document wic --offset option

[Joshua Watt]

Adds documentation that describes how to use the --offset argument in a
kickstart file

Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
---
 documentation/ref-manual/ref-kickstart.rst | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/documentation/ref-manual/ref-kickstart.rst b/documentation/ref-manual/ref-kickstart.rst
index 33d579c5d..7f6d4ebe1 100644
--- a/documentation/ref-manual/ref-kickstart.rst
+++ b/documentation/ref-manual/ref-kickstart.rst
@@ -134,6 +134,11 @@ the ``part`` and ``partition`` commands:
 -  ``--align (in KBytes)``: This option is a Wic-specific option that
    says to start partitions on boundaries given x KBytes.
 
+-  ``--offset (in KBytes)``: This option is a Wic-specific option that
+   says to place a partition at exactly the specified offset. If the
+   partition cannot be placed at the specified offset, the image build
+   will fail.
+
 -  ``--no-table``: This option is a Wic-specific option. Using the
    option reserves space for the partition and causes it to become
    populated. However, the partition is not added to the partition
-- 
2.28.0