Select the Insert option and then the Index and Tables entry. In the Index and Tables window, select the Table of Contents tab. Check to make sure that all entries in this window are correct. If they are not correct, make necessary changes. Select the OK button.
Word now generates the Table of Contents.
Place your mouse pointer on the words, within the previously generated Table of Contents, and click your left mouse button once. Select the Insert option and then the Index and Tables entry. In the Index and Tables window, select the Table of Contents tab. Check to make sure that all entries in this window are correct. If they are not correct, make necessary changes.