(AzureCXP) fixes MicrosoftDocs/azure-docs#112640

Changes made in line no 118

From
sudo mkfs.xfs /dev/sdc

To

sudo mkfs.xfs /dev/sdc1

Author: AjayBathini-MSFT

articles/virtual-machines/linux/attach-disk-portal.md

@@ -115,7 +115,7 @@ The following example uses `parted` on `/dev/sdc`, which is where the first data
 
 ```bash
 sudo parted /dev/sdc --script mklabel gpt mkpart xfspart xfs 0% 100%
-sudo mkfs.xfs /dev/sdc
+sudo mkfs.xfs /dev/sdc1
 sudo partprobe /dev/sdc1
 ```