Typo on Microsoft.Azure.Batch.dll

Author: brnleehng

src/ResourceManager/AzureBatch/BatchModelGenerator/readme.txt

@@ -1,4 +1,4 @@
 This executable automatically generates the PowerShell data model classes used by the Azure Batch PowerShell cmdlets.
 After building the BatchModelGenerator project, the exe file will be located in bin\Debug folder.
 
-Usage: BatchModelGenerator.exe <The file path to the Microsoft.Batch.dll to operate on>
+Usage: BatchModelGenerator.exe <The file path to the Microsoft.Azure.Batch.dll to operate on>