diff --git a/edc_adverse_event/modeladmin_mixins/modeladmin_mixins.py b/edc_adverse_event/modeladmin_mixins/modeladmin_mixins.py
index f17bcca..80a9a1b 100644
--- a/edc_adverse_event/modeladmin_mixins/modeladmin_mixins.py
+++ b/edc_adverse_event/modeladmin_mixins/modeladmin_mixins.py
@@ -64,14 +64,20 @@ def user(self, obj=None):
         """Returns formatted usernames and creation/modification dates."""
         return format_html(
             "{}",
-            "<BR>".join(
-                [
-                    obj.user_created,
-                    obj.created.strftime(convert_php_dateformat(settings.SHORT_DATE_FORMAT)),
-                    obj.user_modified,
-                    obj.modified.strftime(convert_php_dateformat(settings.SHORT_DATE_FORMAT)),
-                ]
-            ),
+            mark_safe(
+                "<BR>".join(
+                    [
+                        obj.user_created,
+                        obj.created.strftime(
+                            convert_php_dateformat(settings.SHORT_DATE_FORMAT)
+                        ),
+                        obj.user_modified,
+                        obj.modified.strftime(
+                            convert_php_dateformat(settings.SHORT_DATE_FORMAT)
+                        ),
+                    ]
+                ),
+            ),  # nosec B703, B308
         )
 
     @display(description="Documents")
@@ -125,4 +131,7 @@ def documents_column(self, model_obj):
         html = "<table><tr><td>"
         html += "</td><tr><td>".join([c.anchor for c in column_items])
         html += "</td></td></table>"
-        return format_html("{}", html)
+        return format_html(
+            "{}",
+            mark_safe(html),  # nosec B703, B308
+        )
diff --git a/edc_adverse_event/modelform_mixins/ae_initial_modelform_mixin.py b/edc_adverse_event/modelform_mixins/ae_initial_modelform_mixin.py
index ee01846..9754fb1 100644
--- a/edc_adverse_event/modelform_mixins/ae_initial_modelform_mixin.py
+++ b/edc_adverse_event/modelform_mixins/ae_initial_modelform_mixin.py
@@ -53,7 +53,7 @@ def raise_if_followup_exists(self):
                     '{} instead. See <A href="{}">AE Follow-ups for {}</A>.',
                     ae_followup_cls._meta.verbose_name,
                     mark_safe(url),  # nosec B703, B308
-                    mark_safe(self.instance),  # nosec B703, B308
+                    mark_safe(str(self.instance)),  # nosec B703, B308
                 )
             )
 
diff --git a/edc_adverse_event/templatetags/edc_adverse_event_extras.py b/edc_adverse_event/templatetags/edc_adverse_event_extras.py
index e553cd8..b09f516 100644
--- a/edc_adverse_event/templatetags/edc_adverse_event_extras.py
+++ b/edc_adverse_event/templatetags/edc_adverse_event_extras.py
@@ -10,6 +10,7 @@
 from django.core.exceptions import ObjectDoesNotExist
 from django.template.loader import select_template
 from django.utils.html import format_html
+from django.utils.safestring import mark_safe
 from django.utils.translation import gettext as _
 from edc_action_item.utils import get_reference_obj
 from edc_constants.constants import CLOSED, OPEN, OTHER, YES
@@ -78,12 +79,18 @@ def format_ae_description(context, ae_initial, wrap_length):
     context["ae_initial"] = ae_initial
     try:
         context["sae_reason"] = format_html(
-            "{}", wrapx(escape_braces(ae_initial.sae_reason.name), wrap_length)
+            "{}",
+            mark_safe(
+                wrapx(escape_braces(ae_initial.sae_reason.name), wrap_length)
+            ),  # nosec B703, B308
         )
     except AttributeError:
         context["sae_reason"] = ""
     context["ae_description"] = format_html(
-        "{}", wrapx(escape_braces(ae_initial.ae_description), wrap_length)
+        "{}",
+        mark_safe(
+            wrapx(escape_braces(ae_initial.ae_description), wrap_length)
+        ),  # nosec B703, B308
     )
     return context
 
@@ -99,15 +106,24 @@ def format_ae_followup_description(context, ae_followup, wrap_length):
     context["ae_initial"] = ae_followup.ae_initial
     try:
         context["sae_reason"] = format_html(
-            "{}", wrapx(escape_braces(ae_followup.ae_initial.sae_reason.name), wrap_length)
+            "{}",
+            mark_safe(
+                wrapx(escape_braces(ae_followup.ae_initial.sae_reason.name), wrap_length)
+            ),  # nosec B703, B308
         )
     except AttributeError:
         context["sae_reason"] = ""
     context["relevant_history"] = format_html(
-        "{}", wrapx(escape_braces(ae_followup.relevant_history), wrap_length)
+        "{}",
+        mark_safe(
+            wrapx(escape_braces(ae_followup.relevant_history), wrap_length)
+        ),  # nosec B703, B308
     )
     context["ae_description"] = format_html(
-        "{}", wrapx(escape_braces(ae_followup.ae_initial.ae_description), wrap_length)
+        "{}",
+        mark_safe(
+            wrapx(escape_braces(ae_followup.ae_initial.ae_description), wrap_length)
+        ),  # nosec B703, B308
     )
     return context
 
@@ -122,12 +138,17 @@ def format_ae_susar_description(context, ae_susar, wrap_length):
     context["ae_initial"] = ae_susar.ae_initial
     context["sae_reason"] = format_html(
         "{}",
-        "<BR>".join(
-            wrap(escape_braces(ae_susar.ae_initial.sae_reason.name), wrap_length or 35)
-        ),
+        mark_safe(
+            "<BR>".join(
+                wrap(escape_braces(ae_susar.ae_initial.sae_reason.name), wrap_length or 35)
+            )
+        ),  # nosec B703, B308
     )
     context["ae_description"] = format_html(
-        "{}", wrapx(escape_braces(ae_susar.ae_initial.ae_description), wrap_length)
+        "{}",
+        mark_safe(
+            wrapx(escape_braces(ae_susar.ae_initial.ae_description), wrap_length)
+        ),  # nosec B703, B308
     )
     return context
 
diff --git a/edc_adverse_event/view_mixins/ae/death_report_listboard_view_mixin.py b/edc_adverse_event/view_mixins/ae/death_report_listboard_view_mixin.py
index 294f340..9ebfef9 100644
--- a/edc_adverse_event/view_mixins/ae/death_report_listboard_view_mixin.py
+++ b/edc_adverse_event/view_mixins/ae/death_report_listboard_view_mixin.py
@@ -40,7 +40,7 @@ class DeathReportListboardViewMixin(
     listboard_instructions = format_html(
         "{}",
         mark_safe(
-            "edc_adverse_enet/ae/death_report_listboard_instructions.html"
+            "edc_adverse_event/ae/death_report_listboard_instructions.html"
         ),  # nosec B703 B308
     )