Your Table of Contents lacks the right-indent and the left hanging indent that the sample I posted uses. Try changing the paragraph format so that it has those features.

I note also that your table of contents has been inserted via References>Table of Contents. That is evident from the building block container. Do note that Tables of Contents inserted that way can create significant performance issues. For that reason, it's better to insert one via Insert|Quick Parts|Field>TOC, or by creating one from the keyboard by pressing Ctrl-F9 to create a pair of field braces, typing TOC between them, then pressing F9 to update.

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Cheers,
Paul Edstein
[Fmr MS MVP - Word]