Update app.py

app.py

@@ -161,7 +161,7 @@ def main():
     with gr.Blocks() as interface:
         # Add title and description
         gr.Markdown("<h1 style='font-size: 40px;'>Image to ASCII Art Converter</h1>")
-        gr.Markdown("<p style='font-size: 18px;'>Upload an image, and this tool will generate an ASCII art version of the image. It also calculates the Structural Similarity Index (SSIM) to evaluate the quality.</p>")
+        gr.Markdown("<p style='font-size: 18px;'>Upload an image, and this tool will generate an ASCII art version of the image. The Structural Similarity Index (SSIM) is calculated to evaluate the quality as a performance metric.</p>")
 
         # Image input and ASCII art + SSIM score output
         image_input = gr.Image(label="Upload an image")