updated readme

Author: sandeep parmar

README.md

@@ -36,5 +36,5 @@ Pre-requisites:
 - jq command-line parser (https://github.com/stedolan/jq/releases)
 
 Use the following commands to run the curl samples.
-- `./nb_jobs.sh -master <master_server> -username <username> -password <password>`
-- `./nb_images.sh -master <master_server> -username <username> -password <password>`
+- `./get_nb_jobs.sh -master <master_server> -username <username> -password <password>`
+- `./get_nb_images.sh -master <master_server> -username <username> -password <password>`