update IMC time reference

app.py

@@ -400,7 +400,7 @@ with gr.Blocks() as demo:
     cohort_state = gr.State(CytofCohort())
     with gr.Row(): # feature extraction related functinos
         with gr.Column():
-            gr.CheckboxGroup(choices=['Yes', 'Yes', 'Yes'], label='Note: This step will take significantly longer than the previous ones. A 300MB IMC file takes about 7 minutes to compute. Did you read this note?')
+            gr.CheckboxGroup(choices=['Yes', 'Yes', 'Yes'], label='Note: This step will take significantly longer than the previous ones. A 130MB IMC file takes about 14 minutes to compute. Did you read this note?')
             norm_percentile = gr.Slider(minimum=50, maximum=99, step=1, value=75, interactive=True, label='Normalized quantification percentile')
             extract_btn = gr.Button('Extract')
         feat_df = gr.DataFrame(headers=['id','coordinate_x','coordinate_y','area_nuclei'], label='Feature extraction summary')