diff --git a/doc/source/security/kubernetes/migrate-platform-certificates-to-use-cert-manager-c0b1727e4e5d.rst b/doc/source/security/kubernetes/migrate-platform-certificates-to-use-cert-manager-c0b1727e4e5d.rst
index 111c6237f..5686b41a7 100644
--- a/doc/source/security/kubernetes/migrate-platform-certificates-to-use-cert-manager-c0b1727e4e5d.rst
+++ b/doc/source/security/kubernetes/migrate-platform-certificates-to-use-cert-manager-c0b1727e4e5d.rst
@@ -71,7 +71,7 @@ controllers/subclouds.
                   dns_domain: xyz.com
                   duration: 2160h # 90d
                   renewBefore: 360h # 15d
-                  subject_C: Canada
+                  subject_C: CA
                   subject_ST: Ontario
                   subject_L: Ottawa
                   subject_O: myorganization