Open Entries tab of Insert - Table of Contents (etc.) dialog Select or hover over any widget (either in the Structure option or under). Press F1 Actual: 404 error Help ID: modules/swriter/ui/toxbuttonwidget/button Expected: Entries help page (according to which Type) is selected on the Type tab. In the case of Type Table of Contents, then it should be: https://help.libreoffice.org/7.6/en-US/text/swriter/01/04120221.html