Fixes #11152 - Fix example 3

[sdwheeler]

PR Summary

Fix example 3

• Fixes AB#259661
• Fixes Example 3 calling a variable that is not set and using "CimClasName" rather then "CimClassName" property #11152

PR Checklist

• Descriptive Title: This PR's title is a synopsis of the changes it proposes.
• Summary: This PR's summary describes the scope and intent of the change.
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[learn-build-service-prod]

Learn Build status updates of commit 3e82c5d:

✅ Validation status: passed

File	Status	Preview URL	Details
reference/5.1/CimCmdlets/Get-CimAssociatedInstance.md	✅Succeeded	View (powershell-5.1)
reference/7.2/CimCmdlets/Get-CimAssociatedInstance.md	✅Succeeded	View (powershell-7.2)
reference/7.4/CimCmdlets/Get-CimAssociatedInstance.md	✅Succeeded	View (powershell-7.4)
reference/7.5/CimCmdlets/Get-CimAssociatedInstance.md	✅Succeeded	View (powershell-7.5)

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