Update articles/virtual-machines/automatic-vm-guest-patching.md

Co-authored-by: Julia Shimanskiy <[email protected]>

Author: maulikshah23

articles/virtual-machines/automatic-vm-guest-patching.md

@@ -55,7 +55,7 @@ For a group of virtual machines undergoing an update, the Azure platform will or
 
 **Within an availability set:**
 - All VMs in a common availability set aren't updated concurrently.
--	VMs in a common availability set are updated within Update Domain boundaries and VMs across multiple Update Domains aren't updated concurrently.
+- VMs in a common availability set are updated within Update Domain boundaries and VMs across multiple Update Domains aren't updated concurrently.
 -	Within an update domain, no more than 20% of the VMs within a resource group will be updated at a time. For resource groups with less than 10 VMs, this limits it to one VM at a time within an update domain.
 
 Restricting the number of concurrently patched across regions, within a region, or within an availability set limits the impact of a faulty patch on a given set of VMs. Furthermore, with health monitoring, any potential issues are flagged before them impact the entire fleet.