Typo edit

Just update the typo in line 34 , correct word is Contributor.

Author: sahebjamee

articles/migrate/tutorial-prepare-vmware.md

@@ -31,7 +31,7 @@ You need these permissions for these tasks in Azure, before you can assess or mi
 
 **Task** | **Details** 
 --- | --- 
-**Create an Azure Migrate project** | Your Azure account needs ontributer or Owner permissions to create a project. 
+**Create an Azure Migrate project** | Your Azure account needs Contributor or Owner permissions to create a project. 
 **Register resource providers** | Azure Migrate uses a lightweight Azure Migrate appliance to discover and assess VMware VMs, and to migrate them to Azure with Azure Migrate:Server Assessment.<br/><br/> During appliance registration, resource providers are registered with the subscription chosen in the appliance. [Learn more](migrate-appliance-architecture.md#appliance-registration).<br/><br/> To register the resource providers, you need a Contributor or Owner role on the subscription.
 **Create Azure AD apps** | When registering the appliance, Azure Migrate creates Azure Active Directory (Azure AD) apps. <br/><br/> - The first app is used for communication between the agents running on the appliance, and their respective services running on Azure.<br/><br/> - The second app is used exclusively to access KeyVault created in the user's subscription for agentless VMware VM migration. [Learn more](migrate-appliance-architecture.md#appliance-registration).<br/><br/> You need permissions to create Azure AD apps (available in the Application Developer) role.
 **Create a Key Vault** | To migrate VMware VMs using agentless migration, Azure Migrate creates a Key Vault to manage access keys to the replication storage account in your subscription.<br/><br/> To create the vault, you need role assignment permissions on the resource group in which the Azure Migrate project resides.