[PATCH v2] docs/submitting-patches: add reference to DCO

[Mauro Matteo Cascella]

Signed-off-by: Mauro Matteo Cascella <mcascell at redhat.com>
---
Rephrased sentence.

 docs/submitting-patches.rst | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/docs/submitting-patches.rst b/docs/submitting-patches.rst
index 17b072655d..7cb5c2e172 100644
--- a/docs/submitting-patches.rst
+++ b/docs/submitting-patches.rst
@@ -22,6 +22,9 @@ 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>`__.
+Make sure to express your agreement with the `Developer Certificate
+of Origin <hacking.html#developer-certificate-of-origin>`__ by
+adding a "Signed-off-by" line to every commit message.
 When you want to post your patches:
 
 ::
-- 
2.26.2