Update app.py

app.py

@@ -163,7 +163,7 @@ def identify_headers_with_openrouter(pdf_path, model, LLM_prompt, pages_to_check
                     # ArrayofTextWithFormat={'Font':s.get('font')},{'Size':s.get('size')},{'Flags':s.get('flags')},{'Color':s.get('color')},{'Text':s.get('text')}
                 
                     # prefix with page for easier mapping back
-                    text = span["text"].strip()
+                    text = s["text"].strip()
                     lines_for_prompt.append(f"PAGE {pno+1}: {text}")
 
             # if not lines_for_prompt: