diff --git a/docs/deployment/zero-downtime-deploys.md b/docs/deployment/zero-downtime-deploys.md
index d37118f0395..00957e9ce72 100644
--- a/docs/deployment/zero-downtime-deploys.md
+++ b/docs/deployment/zero-downtime-deploys.md
@@ -158,6 +158,7 @@ One or more healthchecks can be defined in the `app.json` file - see the [deploy
             "attempts": 3
         }
     ]
+  }
 }
 ```