diff --git a/foodie_utils.py b/foodie_utils.py
index e53875d..22ed2be 100644
--- a/foodie_utils.py
+++ b/foodie_utils.py
@@ -747,7 +747,20 @@ def generate_category_from_summary(summary):
             messages=[
                 {"role": "system", "content": (
                     "Based on this summary, select the most relevant category from: Buzz, Trends, Lifestyle, Culture, Health, Drink, Food, Eats. "
-                    "Return only the category name."
+                    "Return only the category name.\n"
+                    "\n"
+                    "Definitions and guidance for each category:\n"
+                    "- Buzz: Viral, trending, surprising, or highly shareable news, controversies, or social media moments.\n"
+                    "- Trends: New or emerging patterns, movements, or shifts in food, drink, or dining.\n"
+                    "- Lifestyle: Stories about people's habits, routines, wellness, or ways of living related to food and drink.\n"
+                    "- Culture: Food traditions, history, heritage, or cultural context.\n"
+                    "- Health: Nutrition, wellness, diets, or health impacts.\n"
+                    "- Drink: Beverages, coffee, tea, cocktails, or drink trends.\n"
+                    "- Food: General food topics, dishes, or ingredients.\n"
+                    "- Eats: Places to eat, restaurants, or food destinations.\n"
+                    "\n"
+                    "Try to balance category usage over time. Do NOT always default to 'Trends' or 'Food'—use 'Buzz' or 'Lifestyle' when appropriate.\n"
+                    "Return only the category name from the list above."
                 )},
                 {"role": "user", "content": summary}
             ],