Assume you use the Doxygen tag @brief at the beginning of each comment, followed by the description without using another tag:
// @brief Example showing how to document a
// function with Doxygen.
// Description of what the function does. This
// part may refer to the parameters of the...
To adjust Doc-O-Matic do the following:
On the [General Settings] > Sections > Javadoc page turn the option Support Doxygen tags on.
Create a section with the name brief and type brief in the Javadocboxin the Edit Sectiondialog.
Alternatively you can select the summary section in the Section list and type brief in the Javadocboxin the Edit Sectiondialog.
Select the End automatically after paragraph option from the section options in the Edit Sectiondialog.