diff --git a/config.json b/config.json
index 58e8d96f33..8bcdfcc9d6 100644
--- a/config.json
+++ b/config.json
@@ -127,7 +127,9 @@
       "unlocked_by": null,
       "difficulty": 1,
       "topics": [
-
+        "strings",
+        "algorithms",
+        "text_formatting"
       ]
     },
     {