Update app.py

app.py

@@ -14,7 +14,7 @@ PRIOR_MESSAGE_MARKERS = [
     re.compile(r'^----\s?Original Message\s?----$', re.IGNORECASE),
     re.compile(r'^Begin forwarded message:', re.IGNORECASE),
     
-    # Custom separators in email
+    # Custom separators in email (like lines of dashes or borders)
     re.compile(r'^-+.*-+$'),  # For lines like "--------------------------------------------------"
 
     # Portuguese patterns