Update website/docs/r/managed_disk.html.markdown

Co-Authored-By: Tom Harvey <[email protected]>

website/docs/r/managed_disk.html.markdown

@@ -101,7 +101,7 @@ The following arguments are supported:
 
 * `disk_mbps_read_write` - (Optional) The bandwidth allowed for this disk; only settable for UltraSSD disks. MBps means millions of bytes per second.
 
-* `disk_size_gb` - (Optional, Required for a new managed disk) Specifies the size of the managed disk to create in gigabytes. If `create_option` is `Copy` or `FromImage`, then the value must be equal to or greater than the source's size. The size can only be increased. Changing this forces a VM reboot.
+* `disk_size_gb` - (Optional, Required for a new managed disk) Specifies the size of the managed disk to create in gigabytes. If `create_option` is `Copy` or `FromImage`, then the value must be equal to or greater than the source's size. The size can only be increased.
 
 ~> **NOTE:** Changing this value is disruptive if the disk is attached to a Virtual Machine. The VM will be shut down and de-allocated as required by Azure to action the change. Terraform will attempt to start the machine again after the update if it was in a `running` state when the apply was started.