Merge pull request #112658 from ramankumarlive/patch-47

updated the instructions for existing disks

Author: PRMerger6

articles/virtual-machines/linux/disk-encryption.md

@@ -144,7 +144,7 @@ az vm create -g $rgName -n $vmName -l $location --image $image --size $vmSize --
 ```
 
 
-#### Encrypt existing unattached managed disks 
+#### Encrypt existing managed disks 
 
 Your existing disks must not be attached to a running VM in order for you to encrypt them using the following script: