readme update

Author: katzy687

cloudshell-cli-samples/send_ssh_command/readme.MD

@@ -5,5 +5,5 @@ Uses cloudshell-cli (paramiko wrapper) to send an ssh command to a linux server.
 1. Zip up files and import script
 2. Associate with target model
 3. Create the "command" param
-4. Reserve and test with "ls"
+4. Reserve and test with "ls" command