Update link to distributed AG.

Author: MikeRayMSFT

docs/includes/sql-server-ha-story.md

@@ -176,7 +176,7 @@ If the goal is to migrate to new servers and not change the configuration (inclu
 
 Distributed AGs are also another method to migrate to a new configuration or upgrade SQL Server. Because a distributed AG supports different underlying AGs on different architectures, for example, you could change from SQL Server 2016 running on Windows Server 2012 R2 to SQL Server 2017 running on Windows Sever 2016. 
 
-[Distributed AG][image10]
+![Distributed AG][image10]
 
 Finally, availability groups with a cluster type of None can also be used for migration or upgrading. You cannot mix and match cluster types in a typical availability group configuration, so all replicas would need to be a type of None. A distributed availability group can be used to span availability groups configured with different cluster types. This method is also supported across the different OS platforms.