Add owners for codeowner docs

.gitlab/CODEOWNERS

@@ -41,7 +41,6 @@
 /ee/app/finders/ @gitlab-org/maintainers/database
 
 # Feature specific owners
-/ee/lib/gitlab/code_owners/ @reprazent @kerrizor
 /ee/lib/ee/gitlab/auth/ldap/ @dblessing @mkozono
 /lib/gitlab/auth/ldap/ @dblessing @mkozono
 /lib/gitlab/ci/templates/ @nolith @zj
@@ -50,6 +49,11 @@
 /ee/app/models/project_alias.rb @patrickbajao
 /ee/lib/api/project_aliases.rb @patrickbajao
 
+# Code Owners
+#
+/ee/lib/gitlab/code_owners/ @reprazent @kerrizor
+/doc/user/project/code_owners.md @reprazent @kerrizor
+
 # Quality owned files
 /qa/ @gl-quality