diff --git a/config.json b/config.json
index 77369212..ac57c273 100644
--- a/config.json
+++ b/config.json
@@ -62,7 +62,9 @@
         "slug": "cater-waiter",
         "name": "cater-waiter",
         "uuid": "40c83f3e-cf87-4f00-9205-8c002b419a8d",
-        "concepts": [],
+        "concepts": [
+          "sets"
+        ],
         "prerequisites": []
       }
     ],
diff --git a/exercises/concept/cater-waiter/.meta/config.json b/exercises/concept/cater-waiter/.meta/config.json
index befadd1f..7286dd6e 100644
--- a/exercises/concept/cater-waiter/.meta/config.json
+++ b/exercises/concept/cater-waiter/.meta/config.json
@@ -11,5 +11,5 @@
       ".meta/exemplar.jl"
     ]
   },
-  "blurb": ""
+  "blurb": "A Set in Julia is an unordered collection of unique entries, with fast algorithms for contains, union, intersection and difference operations."
 }