Update app.py

app.py

@@ -413,7 +413,7 @@ def create_subtitle_clip_pil(text, start_time, end_time, video_width, video_heig
             y += line_heights[idx] + 5
 
         img_np = np.array(img)
-        margin = int(video_height * 0.05)
+        margin = int(video_height * 0.1)
         img_clip = ImageClip(img_np) # Create the ImageClip first
         image_height = img_clip.size[1]
         txt_clip = (