Confluence Publish Page Notification - Only Section Changed

[QA Manager]

Hi,
please, could you help me? Using Confluence with more team, i've the following problem.
When i make a little change in some page of Confluence, begin notification by mail and i have 2 different result
1 - 90% of time, i receive a mail with page changed.
2 - 10% of time, i receive a mail only with section of page that i've changed --> This is perfect for a little update. In this way all team have a focus on my little change and can't scroll all page.

Is possible to understand in which way i can publish "only the section modified in page" by notification mail?