diff --git a/src/registrar/forms/utility/wizard_form_helper.py b/src/registrar/forms/utility/wizard_form_helper.py
index eedf5839b..4245bed30 100644
--- a/src/registrar/forms/utility/wizard_form_helper.py
+++ b/src/registrar/forms/utility/wizard_form_helper.py
@@ -234,9 +234,12 @@ class BaseYesNoForm(RegistrarForm):
     # For instance, this could be "has_other_contacts"
     field_name: str
 
+    # This field can be overriden to show a custom error
+    # message.
     required_error_message = "This question is required."
 
     # Default form choice mapping. Default is suitable for most cases.
+    # Override for more complex scenarios.
     form_choices = ((True, "Yes"), (False, "No"))
 
     def __init__(self, *args, **kwargs):
diff --git a/src/registrar/templates/portfolio_domain_request_additional_details.html b/src/registrar/templates/portfolio_domain_request_additional_details.html
index 527b59969..9f005692e 100644
--- a/src/registrar/templates/portfolio_domain_request_additional_details.html
+++ b/src/registrar/templates/portfolio_domain_request_additional_details.html
@@ -11,14 +11,12 @@
       <fieldset class="usa-fieldset">
         {{forms.0.management_form}}
         {{forms.1.management_form}}
-        <legend>
-          <h2 class="margin-top-0 margin-bottom-0">Are you working with someone in the Executive Office of the President (EOP) on this request?</h2> 
-        </legend>
-        <p class="margin-bottom-2 margin-top-2">Working with the EOP is not required to request a .gov domain.</p>
+        <h2 id="working-with-eop--question" class="margin-top-0 margin-bottom-0">Are you working with someone in the Executive Office of the President (EOP) on this request?</h2> 
+        <p id="working-with-eop--requirement" class="margin-bottom-2 margin-top-2">Working with the EOP is not required to request a .gov domain.</p>
         <p class="margin-bottom-0 margin-top-1">
           <em>Select one. <abbr class="usa-hint usa-hint--required" title="required">*</abbr></em>
         </p>
-        {% with add_class="usa-radio__input--tile" add_legend_class="usa-sr-only" %}
+        {% with add_class="usa-radio__input--tile" add_legend_class="usa-sr-only" add_aria_describedby="working-with-eop--requirement" add_legend_heading="Are you working with someone in the Executive Office of the President (EOP) on this request?" %}
           {% input_with_errors forms.0.working_with_eop %}
         {% endwith %}
 
@@ -36,13 +34,11 @@
       <fieldset class="usa-fieldset" aria-labelledby="anything-else-question">
         {{forms.2.management_form}}
         {{forms.3.management_form}}
-        <legend>
-          <h2 id="anything-else-question">Is there anything else you'd like us to know about your domain request?</h2> 
-        </legend>
+        <h2 id="anything-else-question">Is there anything else you'd like us to know about your domain request?</h2> 
         <p class="margin-bottom-0 margin-top-1">
           <em>Select one. <abbr class="usa-hint usa-hint--required" title="required">*</abbr></em>
         </p>
-        {% with add_class="usa-radio__input--tile" add_legend_class="usa-sr-only" %}
+        {% with add_class="usa-radio__input--tile" add_legend_class="usa-sr-only" add_legend_heading="Is there anything else you'd like us to know about your domain request?"%}
           {% input_with_errors forms.2.has_anything_else_text %}
         {% endwith %}
 
diff --git a/src/registrar/templatetags/field_helpers.py b/src/registrar/templatetags/field_helpers.py
index 69d3f228e..ddf34211f 100644
--- a/src/registrar/templatetags/field_helpers.py
+++ b/src/registrar/templatetags/field_helpers.py
@@ -23,8 +23,10 @@ def input_with_errors(context, field=None):  # noqa: C901
         add_required_class: like `add_class` but only if field is required
         add_label_class: append to input element's label's `class` attribute
         add_legend_class: append to input element's legend's `class` attribute
+        add_legend_heading: sets the text for the legend associated with this element
         add_group_class: append to input element's surrounding tag's `class` attribute
         add_aria_label: append to input element's `aria_label` attribute
+        add_aria_describedby: appends to input element's `aria-describedby` attribute
         attr_* - adds or replaces any single html attribute for the input
         add_error_attr_* - like `attr_*` but only if field.errors is not empty
         toggleable_input: shows a simple edit button, and adds display-none to the input field.
@@ -106,6 +108,8 @@ def input_with_errors(context, field=None):  # noqa: C901
 
         elif key == "add_aria_label":
             aria_labels.append(value)
+        elif key == "add_aria_describedby":
+            described_by.append(value)
 
         elif key == "sublabel_text":
             sublabel_text.append(value)