Update README.md

Corrected typo in the folder name

Author: Vinay-Microsoft

README.md

@@ -77,7 +77,7 @@ Follow the quick deploy steps on the deployment guide to deploy this solution
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 ### Prerequisites and costs
-To deploy this solution accelerator, ensure you have access to an [Azure subscription](https://azure.microsoft.com/free/) with the necessary permissions to create **resource groups, resources, app registrations, and assign roles at the resource group level**. This should include Contributor role at the subscription level and  Role Based Access Control role on the subscription and/or resource group level. Follow the steps in [Azure Account Set Up](./documentss/AzureAccountSetUp.md).
+To deploy this solution accelerator, ensure you have access to an [Azure subscription](https://azure.microsoft.com/free/) with the necessary permissions to create **resource groups, resources, app registrations, and assign roles at the resource group level**. This should include Contributor role at the subscription level and  Role Based Access Control role on the subscription and/or resource group level. Follow the steps in [Azure Account Set Up](./documents/AzureAccountSetUp.md).
 
 Here are some example regions where the services are available: East US, East US2, Australia East, UK South, France Central.