diff --git a/taiga/timeline/service.py b/taiga/timeline/service.py
index c84e5aa9..677e5e7c 100644
--- a/taiga/timeline/service.py
+++ b/taiga/timeline/service.py
@@ -225,3 +225,10 @@ def extract_wiki_page_info(instance):
         "id": instance.pk,
         "slug": instance.slug,
     }
+
+
+def extract_role_info(instance):
+    return {
+        "id": instance.pk,
+        "name": instance.name,
+    }
diff --git a/taiga/timeline/signals.py b/taiga/timeline/signals.py
index 7f88dde3..a90ce867 100644
--- a/taiga/timeline/signals.py
+++ b/taiga/timeline/signals.py
@@ -95,6 +95,7 @@ def on_new_history_entry(sender, instance, created, **kwargs):
         "values_diff": instance.values_diff,
         "user": extract_user_info(user),
         "comment": instance.comment,
+        "comment_html": instance.comment_html,
     }
 
     _push_to_timelines(project, user, obj, event_type, extra_data=extra_data)
diff --git a/taiga/timeline/timeline_implementations.py b/taiga/timeline/timeline_implementations.py
index f23d7401..69f5f83f 100644
--- a/taiga/timeline/timeline_implementations.py
+++ b/taiga/timeline/timeline_implementations.py
@@ -94,10 +94,11 @@ def wiki_page_timeline(instance, extra_data={}):
 
 @register_timeline_implementation("projects.membership", "create")
 @register_timeline_implementation("projects.membership", "delete")
-def membership_create_timeline(instance, extra_data={}):
+def membership_timeline(instance, extra_data={}):
     result =  {
         "user": service.extract_user_info(instance.user),
         "project": service.extract_project_info(instance.project),
+        "role": service.extract_role_info(instance.role),
     }
     result.update(extra_data)
     return result