diff --git a/app/models/sponsorship_models.py b/app/models/sponsorship_models.py
index 78fafce..44d6db0 100644
--- a/app/models/sponsorship_models.py
+++ b/app/models/sponsorship_models.py
@@ -42,6 +42,9 @@ class Sponsorship_Base(BaseModel):
     person_json: Optional[Union[Json, None]]
     poc_json: Optional[Union[Json, None]]
 
+    # For additional contacts in a JSON object list format. A contact person should contain: given_name, family_name, full_name, email, phone, etc.
+    contact_li_json: Optional[Union[Json, None]]
+
     # For the logo and image in a JSON object format. The Aether standard field names should be used. Examples: url, url_text, alt_text, width, height, etc.
     logo_li_json: Optional[Union[Json, None]]
 
@@ -51,7 +54,7 @@ class Sponsorship_Base(BaseModel):
     # For social media in a JSON object format. The Aether standard field names should be used. Examples: url, url_text, icon, etc.
     social_li_json: Optional[Union[Json, None]]
 
-    # For a (simple and short) guest list in a JSON object list format. A guest person should contain: given_name, family_name, full_name, email, phone, etc.
+    # For a (simple and short) guest list in a JSON object list format. A guest person should contain: given_name, family_name, full_name, title, affiliations, email, phone, assistance, dietry, etc.
     # Example: [{"given_name": "John", "family_name": "Doe", "full_name": "John Doe", "email": "john.doe@example.com"}, {"given_name": "Jane", "family_name": "Doe", "full_name": "Jane Doe", "email": "jane.doe@example.com"}]
     # Example 2: [{"full_name": "Albert Einstein", "email": "albert.einstein@example.com"}, {"full_name": "Marie Curie", "email": "marie.curie@example.com"}]
     guest_li_json: Optional[Union[Json, None]]