diff --git a/config.json b/config.json
index cbbdb94ea7..02a7c27564 100644
--- a/config.json
+++ b/config.json
@@ -582,7 +582,9 @@
       "unlocked_by": null,
       "difficulty": 1,
       "topics": [
-
+        "integers",
+        "mathematics",
+        "logic"
       ]
     },
     {