README.md in cronitor-4.1.0 vs README.md in cronitor-4.1.1

@@ -79,10 +79,10 @@
 # send config file's monitors to Cronitor to validate correctness.
 # monitors will not be saved.
 Cronitor.validate_config
 ```
 
-The `cronitor.yaml` file includes three top level keys `jobs`, `checks`, `events`. You can configure monitors under each key by defining [monitors](https://cronitor.io/docs/monitor-api#attributes).
+The `cronitor.yaml` file includes three top level keys `jobs`, `checks`, `heartbeats`. You can configure monitors under each key by defining [monitors](https://cronitor.io/docs/monitor-api#attributes).
 
 ```yaml
 jobs:
     nightly-database-backup:
         schedule: 0 0 * * *