tweaks

Author: mlhoop

articles/aks/troubleshooting.md

@@ -489,12 +489,9 @@ E1114 09:58:55.367731 1 static_autoscaler.go:239] Failed to fix node group sizes
 
 This error is due to an upstream cluster autoscaler race condition where the cluster autoscaler ends with a different value than the one that is actually in the cluster. To get out of this state, simply disable and re-enable the [cluster autoscaler][cluster-autoscaler].
 
-### Disks are slow to attach and you receive the following error
+### GetAzureDiskLun takes 10 to 15 minutes and you receive an error
 
-```console
-Error WaitForAttach Cannot find Lun for disk
-```
-On Kubernetes versions older than 1.15.0 you may receive an error 
+On Kubernetes versions older than 1.15.0 you may receive an error such as **Error WaitForAttach Cannot find Lun for disk**.  
 
 <!-- LINKS - internal -->
 [view-master-logs]: view-master-logs.md