diff --git a/src/registrar/forms/domain_request_wizard.py b/src/registrar/forms/domain_request_wizard.py
index d9754c87e..0b560f19c 100644
--- a/src/registrar/forms/domain_request_wizard.py
+++ b/src/registrar/forms/domain_request_wizard.py
@@ -115,11 +115,11 @@ def clean(self):
             if is_requesting_new_suborganization:
                 # Validate custom suborganization fields
                 if not cleaned_data.get("requested_suborganization"):
-                    self.add_error("requested_suborganization", "Enter details for your organization name.")
+                    self.add_error("requested_suborganization", "Requested suborganization is required")
                 if not cleaned_data.get("suborganization_city"):
-                    self.add_error("suborganization_city", "Enter details for your city.")
+                    self.add_error("suborganization_city", "City is required")
                 if not cleaned_data.get("suborganization_state_territory"):
-                    self.add_error("suborganization_state_territory", "Enter details for your state or territory.")
+                    self.add_error("suborganization_state_territory", "State, territory, or military post is required")
             elif not suborganization:
                 self.add_error("sub_organization", "Select a suborganization.")