Update README.md

backend/README.md

@@ -1,7 +1,7 @@
 # Shardeum Status Server
 
 This is a Node server that monitors the Shardeum network on a set interval and feeds the data to Prometheus (A time series database we are using to store metrics).
-The services and their expected responses are contained in the `endpoints.jsoon` file within the backend folder.
+The services and their expected responses are contained in the `endpoints.json` file within the backend folder.
 
 ## Running it locally
 
@@ -21,4 +21,4 @@ Prometheus is also required to scrape metrics from the server. To run Prometheus
 * Open the `prometheus.yml` file in the root directory and update with the contents of the `prometheus.yml` in this project
 * Lastly, run the prometheus executable with: `./prometheus`
 
-Prometheus should now ping your local server on the specified port based on the configuration in the yml file.
+Prometheus should now ping your local server on the specified port based on the configuration in the yml file.