Capitalize "Workflow" in "PowerShell Workflow"

For consistency and clarity, as this refers to the proper noun/term "PowerShell Workflow" and not the general concept of 'workflow.'

Author: GeoMaciolek

articles/automation/learn/powershell-runbook-managed-identity.md

@@ -263,7 +263,7 @@ Remove-AzRoleAssignment `
 
 ## Next steps
 
-In this tutorial, you created a [PowerShell runbook](../automation-runbook-types.md#powershell-runbooks) in Azure Automation that used [managed identities](../automation-security-overview.md#managed-identities-preview), rather than the Run As account to interact with resources. For a look at PowerShell workflow runbooks, see:
+In this tutorial, you created a [PowerShell runbook](../automation-runbook-types.md#powershell-runbooks) in Azure Automation that used [managed identities](../automation-security-overview.md#managed-identities-preview), rather than the Run As account to interact with resources. For a look at PowerShell Workflow runbooks, see:
 
 > [!div class="nextstepaction"]
 > [Tutorial: Create a PowerShell Workflow runbook](automation-tutorial-runbook-textual.md)