Merge branch 'master' of https://github.com/MicrosoftDocs/azure-docs-pr into cdnupdatemay20

Author: KumudD

articles/azure-monitor/app/media/troubleshoot/data-collection/app-map.png

@@ -80,7 +80,7 @@ The flow is as follows:
 
 Ultra disks offer an additional throttle, for a total of two throttles. Due to this, ultra disks reservation flow can work as described in the earlier section, or it can throttle and distribute performance more granularly.
 
-:::image type="content" source="media/virtual-machines-disks-shared-disks/ultra-reservation-table.png" alt-text=" ":::
+:::image type="content" source="media/virtual-machines-disks-shared-disks/ultra-reservation-table.png" alt-text="An image of a table that depicts the ReadOnly or Read/Write access for Reservation Holder, Registered, and Others.":::
 
 ## Ultra disk performance throttles