Update app.py

app.py

@@ -20,7 +20,7 @@ model = st.selectbox("🧠 Choose a model to use:", [
 
 # --- API Call Function ---
 def get_explanation_from_groq(term, model):
-    api_key = os.getenv("GROQ_API_KEY")  # You should set this on Hugging Face or your local .env
+    api_key = os.getenv("GROQ_API_KEY")  # Set this in Hugging Face or your local .env
     if not api_key:
         return "❌ API key not found. Please set the GROQ_API_KEY environment variable."
 
@@ -39,7 +39,7 @@ Use this exact structure and emojis:
 
 📐 Typical Formula: If there’s a well-known formula, write it out and explain what each variable means. If no standard formula exists, state: “There is no standard formula for this term.”
 
-🏗️ Engineering Applications: List 2–3 engineering fields where this term is commonly used.
+🏗️ Engineering Applications: List 2–3 specific real-world applications where this term is used in engineering practice. For example, describe actual scenarios, devices, systems, or problems that involve this concept.
 """
 
     headers = {