diff --git a/config.sample.toml b/config.sample.toml
index fefd2a6..125c3bf 100644
--- a/config.sample.toml
+++ b/config.sample.toml
@@ -22,6 +22,6 @@ config = '''
 {
     "access_key": "",
     "secret_key": "",
-    "region": "",
+    "region": ""
 }
-'''
\ No newline at end of file
+'''