desktop: sign out clarity (#26516)

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## Description

Addresses
https://docker.slack.com/archives/C04300R4G5U/p1793194418018379

## Related issues or tickets

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## Reviews

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- [ ] Technical review
- [ ] Editorial review
- [ ] Product review

Signed-off-by: aevesdocker <allie.sadler@docker.com>

content/manuals/security/provisioning/_index.md

@@ -80,8 +80,9 @@ IdP to set the user's identity and permissions:
 > [!NOTE]
 >
 > Default session timeouts apply when Docker session minutes is not
-> specified. Docker Desktop sessions expire after 90 days or 30 days of
-> inactivity. Docker Hub and Docker Home sessions expire after 24 hours.
+> specified. Docker Desktop sessions last a maximum of 90 days, but expire sooner
+> if the session is inactive for 30 consecutive days. Docker Hub and 
+> Docker Home sessions expire after 24 hours.
 
 ## SAML attribute mapping