diff --git a/modules/core/src/main/resources/reference.conf b/modules/core/src/main/resources/reference.conf
index dd04fc7..63640ca 100644
--- a/modules/core/src/main/resources/reference.conf
+++ b/modules/core/src/main/resources/reference.conf
@@ -22,7 +22,7 @@
     }
     "transientErrors": {
       "delay": "1 second"
-      "attempts: 5
+      "attempts": 5
     }
   }