diff --git a/documentation/content/en/articles/committers-guide/_index.adoc b/documentation/content/en/articles/committers-guide/_index.adoc
index 9edbef3945..af27f24735 100644
--- a/documentation/content/en/articles/committers-guide/_index.adoc
+++ b/documentation/content/en/articles/committers-guide/_index.adoc
@@ -2446,6 +2446,10 @@ number, for ports) and the title line of a commit that is fixed by this change.
 
 |`Differential Revision:`
 |The full URL of the Phabricator review. This line __must be the last line__. For example: `https://reviews.freebsd.org/D1708`.
+
+|`Signed-off-by:`
+|ID certifies compliance with https://developercertificate.org/
+
 |===
 
 .Commit Log for a Commit Based on a PR