diff --git a/config_examples/dryrun.json b/config_examples/dryrun.json
index 53e2e2ef..cdef40a3 100644
--- a/config_examples/dryrun.json
+++ b/config_examples/dryrun.json
@@ -6,7 +6,7 @@
     },
     "freqaimodel": "LightGBMMultiTargetRegressor",
     "purge_old_models": 2,
-    "identifier": "dryrun-freqai",
+    "identifier": "dryrun-freqai"
   },
   "exchange": {
     "name": "okx",