diff --git a/extras.conf b/extras.conf
index 68742fb..6341b13 100644
--- a/extras.conf
+++ b/extras.conf
@@ -26,9 +26,10 @@ check_deps = False
 filter_packages = [
     ('^extras$', {
         '*': [
-            # We want to include centos-stream-repos, but not duplicate these
-            # other subpackages of centos-repos that are already in BaseOS.
-            'centos-gpg-keys',
+            # Originally we filtered both centos-gpg-keys and centos-linux-repos
+            # from extras, because they were already included in baseos.  Now
+            # after the C8 EOL, we need to include centos-gpg-keys in extras to
+            # facilitate conversions from C8 to C8S.
             'centos-linux-repos',
         ],
     }),