diff --git a/src/registrar/models/domain_information.py b/src/registrar/models/domain_information.py
index 07e01bddb..ec2a4ca22 100644
--- a/src/registrar/models/domain_information.py
+++ b/src/registrar/models/domain_information.py
@@ -213,7 +213,7 @@ class DomainInformation(TimeStampedModel):
         null=True,
         blank=True,
         help_text="Anything else?",
-        verbose_name="Additional Details",
+        verbose_name="Additional details",
     )
 
     cisa_representative_email = models.EmailField(
diff --git a/src/registrar/models/domain_request.py b/src/registrar/models/domain_request.py
index 3fce90aa4..02324ce61 100644
--- a/src/registrar/models/domain_request.py
+++ b/src/registrar/models/domain_request.py
@@ -644,7 +644,7 @@ class DomainRequest(TimeStampedModel):
         null=True,
         blank=True,
         help_text="Anything else?",
-        verbose_name="Additional Details",
+        verbose_name="Additional details",
     )
 
     cisa_representative_email = models.EmailField(
diff --git a/src/registrar/templates/includes/summary_additional_details.html b/src/registrar/templates/includes/summary_additional_details.html
index 344f747b2..233734e7d 100644
--- a/src/registrar/templates/includes/summary_additional_details.html
+++ b/src/registrar/templates/includes/summary_additional_details.html
@@ -16,7 +16,7 @@ and condense down into one subsection) -->
               margin-top-0 margin-bottom-05
               padding-right-1"
         >
-        Additional Details
+        Additional details
         </h2>
       
         {% if domainRequest is not none %}
diff --git a/src/registrar/views/domain_request.py b/src/registrar/views/domain_request.py
index 6bdec0ab9..f93976138 100644
--- a/src/registrar/views/domain_request.py
+++ b/src/registrar/views/domain_request.py
@@ -91,7 +91,7 @@ class DomainRequestWizard(DomainRequestWizardPermissionView, TemplateView):
         Step.PURPOSE: _("Purpose of your domain"),
         Step.YOUR_CONTACT: _("Your contact information"),
         Step.OTHER_CONTACTS: _("Other employees from your organization"),
-        Step.ADDITIONAL_DETAILS: _("Additional Details"),
+        Step.ADDITIONAL_DETAILS: _("Additional details"),
         Step.REQUIREMENTS: _("Requirements for operating a .gov domain"),
         Step.REVIEW: _("Review and submit your domain request"),
     }
@@ -582,7 +582,6 @@ class OtherContacts(DomainRequestWizard):
         return all_forms_valid
 
 
-# DONE-NL: rename this to "Additional Details" (note: this is a find-replace job. VS will not refactor properly)
 class AdditionalDetails(DomainRequestWizard):
 
     template_name = "domain_request_additional_details.html"