fixing sql vm folder path

Author: MashaMSFT

docfx.json

@@ -971,8 +971,8 @@
         "articles/azure-sql/database/**/*.yml": "Azure SQL Database",
         "articles/azure-sql/managed-instance/**/*.md": "Azure SQL Managed Instance",
         "articles/azure-sql/managed-instance/**/*.yml": "Azure SQL Managed Instance",
-        "articles/azure-sql/virtual-machines/**/*.md": "SQL Server on Azure VM",
-        "articles/azure-sql/virtual-machines/**/*.yml": "SQL Server on Azure VM",
+        "articles/azure-sql/virtual-machines/**/*.md": "SQL Server on Azure VMs",
+        "articles/azure-sql/virtual-machines/**/*.yml": "SQL Server on Azure VMs",
         "articles/azure-vmware/**/*.md" : "Azure VMware Solution",
         "articles/azure-vmware/**/*.yml" : "Azure VMware Solution",
         "articles/backup/**/*.md": "Azure Backup",