Update app.py

app.py

@@ -92,7 +92,7 @@ with gr.Blocks(title="OCR QA Demo") as demo:
     # 🔍 OCR Quality Assessment Demo
 
     This demo showcases the **OCR Quality Assessment (OCRQA)** of the [Impresso Project](https://impresso-project.ch). 
-    The pipeline evaluates the quality of text extracted via **Optical Character Recognition (OCR)** by estimating the proportion of recognizable words.
+    The pipeline evaluates the quality of text extracted via Optical Character Recognition (OCR) by estimating the proportion of (un)known words with respect to a large clean text corpus.
 
     It returns:
     - a **quality score** between **0.0 (poor)** and **1.0 (excellent)**, and
@@ -131,8 +131,6 @@ with gr.Blocks(title="OCR QA Demo") as demo:
     with gr.Accordion("📝 About the OCR QA Method", open=False, visible=False) as info_accordion:
         gr.Markdown(
     """
-    ### 📝 About the OCR QA Method
-
     This pipeline estimates OCR quality by analyzing the proportion of **unique words** in a text that match curated wordlists for a given language.
 
     #### How it works: