Created attachment 936401 [details] [test case] User change the case's text with Rich Text format, system show the case's change log in mess. Description of problem: as summary Version-Release number of selected component (if applicable): v3.8.11-1 on devel server. How reproducible: 100% Steps to Reproduce: 1.User enter a case detail page, change case's setup with Rich Text format like font-weight, save the change. 2.Enter change log tab in case detail page. https://tcms-devel.app.eng.nay.redhat.com/case/293347/?from_plan=10136#log 3.Inspect the change log for this action. Actual results: change log detail for setup change contains html label, so that, the page show in mess. Expected results: change log detail for setup change does not contain html label. Additional info: