[PATCH] docs/submitting-patches: add reference to DCO

[Mauro Matteo Cascella]

Signed-off-by: Mauro Matteo Cascella <mcascell at redhat.com>
---
 docs/submitting-patches.rst | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/docs/submitting-patches.rst b/docs/submitting-patches.rst
index 17b072655d..3ce8b347a0 100644
--- a/docs/submitting-patches.rst
+++ b/docs/submitting-patches.rst
@@ -22,7 +22,8 @@ patch. However, the usual workflow of libvirt developer is:
   (hack, committing any changes along the way)
 
 More hints on compiling can be found `here <compiling.html>`__.
-When you want to post your patches:
+Make sure to `sign off <hacking.html#developer-certificate-of-origin>`__
+your commit(s). When you want to post your patches:
 
 ::
 
-- 
2.26.2