Use monospaced-font for remote_path and start_retry_timeout string defaults

website/source/docs/provisioners/shell.html.markdown

@@ -79,12 +79,12 @@ Optional parameters:
     `-e` flag, otherwise individual steps failing won't fail the provisioner.
 
 -   `remote_path` (string) - The filename where the script will be uploaded
-    to in the machine. This defaults to "/tmp/script_nnn.sh" where "nnn" is
+    to in the machine. This defaults to `/tmp/script_nnn.sh` where "nnn" is
     a randomly generated number. This value must be a writable location and
     any parent directories must already exist.
 
 -   `start_retry_timeout` (string) - The amount of time to attempt to *start*
-    the remote process. By default this is "5m" or 5 minutes. This setting
+    the remote process. By default this is `5m` or 5 minutes. This setting
     exists in order to deal with times when SSH may restart, such as a
     system reboot. Set this to a higher value if reboots take a longer amount
     of time.