diff --git a/.orchestra/config/components.yml b/.orchestra/config/components.yml
index 291713a77d99b78e83d7b04f904ed2a06fa914f3..a96346b307910b0f05959909928ad882e7038427 100644
--- a/.orchestra/config/components.yml
+++ b/.orchestra/config/components.yml
@@ -3,6 +3,8 @@
 
 #@ load("/global_options.lib.yml", "options")
 
+#! Do not push upstream components defined here.
+#! You should define them in a separate file and use overlay annotations.
 components: {}
 add_to_path:
   - $ORCHESTRA_ROOT/bin