Update app.py

app.py

@@ -234,8 +234,15 @@ def upload_and_chat(file, query):
 
 initial_prompt = PromptTemplate(
     input_variables=["text"],
-    template="""Write a concise and structured summary of the following content. Focus on capturing the main ideas and key details:
+    template="""
+You are a document summarisation expert. Read the following text and extract the most important ideas, conclusions, and key facts.
 
+Return a **concise, bullet-point summary** in **British English**.
+- Avoid markdown formatting like bold (**), italic (*), headers (##), or code symbols (`).
+- You may use simple list markers like "-" or "•" to separate points.
+- Keep the tone professional and easy to read.
+
+--- Document ---
 {text}
 
 --- Summary ---
@@ -243,10 +250,15 @@ initial_prompt = PromptTemplate(
 )
 refine_prompt = PromptTemplate(
     input_variables=["existing_answer", "text"],
-    template="""You already have an existing summary:
+    template="""
+You already have an existing summary:
 {existing_answer}
 
-Refine the summary based on the new content below. Add or update information only if it's relevant. Keep it concise:
+Refine the summary based on the new content below. Add or update information only if it's relevant.
+
+- Maintain bullet-point format using "-" or "•" if needed.
+- Do not use markdown formatting like **bold**, *italic*, or code symbols.
+- Keep the tone concise, structured, and in British English.
 
 {text}