It's actually pretty hard to get that from the manual.
<item>
<widget class="QLineEdit" name="linenoLE">
<property name="toolTip">
<item>
<widget class="QLineEdit" name="linenoLE">
<property name="toolTip">
- <string>Line numbering (lineno package) options. Please refer to the lineno package manual for details.</string>
+ <string>Line numbering (lineno package) options (e.g. right, modulo, switch(*), pagewise). Please refer to the lineno package manual for details.</string>
</property>
</widget>
</item>
</property>
</widget>
</item>