more corrections

Author: Tijoy Tom

articles/service-fabric/service-fabric-application-secret-store.md

@@ -122,9 +122,13 @@ Use the following Resource Manager template to create and set the secret value.
 
 Use the following script to use the REST API to set the secret value.
 ```powershell
-$Params = @{"properties": {"value": "mysecretpassword"}}
+$Params = '{"properties": {"value": "mysecretpassword"}}'
 Invoke-WebRequest -Uri https://<clusterfqdn>:19080/Resources/Secrets/supersecret/values/ver1?api-version=6.4-preview -Method PUT -Body $Params -CertificateThumbprint <ClusterCertThumbprint>
 ```
+### Examine the secret value
+```powershell
+Invoke-WebRequest -CertificateThumbprint <ClusterCertThumbprint> -Method POST -Uri "https:<clusterfqdn>/Resources/Secrets/supersecret/values/ver1/list_value?api-version=6.4-preview"
+```
 ## Use the secret in your application
 
 Follow these steps to use the secret in your Service Fabric application.