Update wcurl

Co-authored-by: Sergio Durigan Junior <github@sergiodj.net>

Author: samueloph

wcurl

@@ -124,7 +124,8 @@ readonly PER_URL_PARAMETERS="\
 DRY_RUN="false"
 
 # Add URLs to list of URLs to be downloaded.
-# If the argument starts with "@", then it's an input file name.
+# If the argument starts with "@", then it's a file containing the URLs
+# to be downloaded (an "input file").
 # When parsing an input file, ignore lines starting with "#".
 # This function also percent-encodes the whitespaces in URLs.
 add_urls()