diff --git a/docs/examples/config/example-config.json b/docs/examples/config/example-config.json
index 883b1103..41e123ae 100644
--- a/docs/examples/config/example-config.json
+++ b/docs/examples/config/example-config.json
@@ -41,7 +41,7 @@
     },
     "rpc": {
         "cache_timeout": 0.5 // in seconds, could be 0, which means no cache for rpc
-    }
+    },
     "dos_guard": {
         // Comma-separated list of IPs to exclude from rate limiting
         "whitelist": [