Update app.py

app.py

@@ -583,8 +583,7 @@ def create_qr_sequence_visualizer():
                 
                 # Generate toggle controls HTML
                 toggle_html = '<div style="max-height: 500px; overflow-y: auto; padding: 10px;">'
-                toggle_html += '<h3>Enable/Disable QR
-                toggle_html += ' Codes:</h3>'
+                toggle_html += '<h3>Enable/Disable QR Codes:</h3>'
                 for i, path in enumerate(qr_paths):
                     toggle_html += f'<div><input type="checkbox" id="qr_toggle_{i}" checked> <label for="qr_toggle_{i}">{path}</label></div>'
                 toggle_html += '</div>'