diff --git a/.github/dco.yml b/.github/dco.yml
index f48c76a..cb5b363 100644
--- a/.github/dco.yml
+++ b/.github/dco.yml
@@ -1,3 +1,15 @@
+####
+# This file configures dco2, a tool Target uses to nudge contributors to sign-off their
+# adherence to the DCO agreement.
+#
+# dco2: https://github.com/cncf/dco2
+#
+# For more information about Target's use of the Developer Certificate of Origin standard,
+# please see https://github.com/target/.github.
+#
+# This file should be kept in sync with https://github.com/target/.github/blob/main/dco.yml
+#
+####
 # https://github.com/cncf/dco2?#remediation-commits
 allowRemediationCommits:
   # Allow individual remediation commits