diff --git a/src/plugins/markdown-report/md_gen.ml b/src/plugins/markdown-report/md_gen.ml
index a29009b11cad4b55de5779661e956919d7350cfe..3ddf29b5c5bec5d12ca22fe62dae3cf492a28d63 100644
--- a/src/plugins/markdown-report/md_gen.ml
+++ b/src/plugins/markdown-report/md_gen.ml
@@ -370,8 +370,9 @@ let section_event is_err env nb event =
       insert_marks env lab
     else insert_remark env lab
   in
+  let pp_warning fmt msg = Format.fprintf fmt "Message: %s" msg in
   H2 (plain title, Some lab)
-  :: Block [ Text (plain "message text is"); Text (plain event.evt_message) ]
+  :: Block (codeblock "log" pp_warning event.evt_message)
   :: content
 
 let make_events_list is_err env l =