Alerts for cateories NOT blocked

We have begun receiving email alerts on categories we do NOT have blocked in our "House Rules.  A sample of that notification is below:

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Emma was given a warning when Emma attempted to visit the following Website(s) that belong to the blocked Website categories:

For more details, sign in to the Norton Family website or Norton Family mobile app and click or tap Alerts.
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We do NOT have the "Shopping" category configured to be blocked.  The only categories we have configured are:

Drugs
Gambling
Mature Content
Online Chat
Personals
Pornography
Suicide
Web Proxies

Why was Emma warned about visiting victoriasercret.com?