diff --git a/config.json b/config.json
index ed6bdc66..ca795bd4 100644
--- a/config.json
+++ b/config.json
@@ -154,7 +154,7 @@
         "slug": "coordinate-transformation",
         "name": "Coordinate Transformation",
         "uuid": "5b23eabd-6ebb-4fed-b889-9324ad174a5f",
-        "concepts": ["closures"],
+        "concepts": ["closures", "atoms"],
         "prerequisites": ["vectors"],
         "status": "beta"
       },