Update README.md

Co-authored-by: Sergio Durigan Junior <[email protected]>

Author: samueloph

README.md

@@ -119,8 +119,8 @@ instead forwarded to the curl invocation.
 URL to be downloaded. Anything that is not a parameter is considered
 an URL. Whitespaces are percent-encoded and the URL is passed to curl, which
 then performs the parsing. May be specified more than once.
-Arguments starting with "@" are considered as a file listing multiple URLs to
-be downloaded; "@\<PATH\>" is equivalent to using "--input-file \<PATH\>".
+Arguments starting with `@` are considered as a file containing multiple URLs to
+be downloaded; `@\<PATH\>` is equivalent to using `--input-file \<PATH\>`.
 
 # Examples