ref: add description that geo information is derived even if IP addresses are not stored

Author: Litarnus

docs/security-legal-pii/scrubbing/server-side-scrubbing/index.mdx

@@ -49,6 +49,7 @@ So `password` will be redacted by default, and adding `cats`, `username`, and/or
 <Alert>
 
 You can choose to expand the keys that are scrubbed by the server, as well as prevent IP addresses from being stored. The latter is particularly important if you’re concerned about PII and using our Browser JavaScript SDK.
+Please note that geo information is still derived from the IP address even if the setting to prevent storage is enabled. To scrub geo information, please add this rule `[Remove] [Anything] from [$user.geo.**]`.
 
 </Alert>