README.md: use the first paragraph from the man page

Which also mentions all protocols

Closes #19335

diff --git a/README.md b/README.md
index 32a3c34fb0f2dc8219ee058f960d55aa7bb68c60..e61924673a987ba9e2e6ee0e76e2b40e6573b035 100644 (file)
--- a/README.md
+++ b/README.md
@@ -6,7 +6,11 @@ SPDX-License-Identifier: curl
 
 # [![curl logo](https://curl.se/logo/curl-logo.svg)](https://curl.se/)
 
-curl is a command-line tool for transferring data specified with URL syntax.
+curl is a command-line tool for transferring data from or to a server using
+URLs. It supports these protocols: DICT, FILE, FTP, FTPS, GOPHER, GOPHERS,
+HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, POP3, POP3S, RTMP, RTMPS, RTSP,
+SCP, SFTP, SMB, SMBS, SMTP, SMTPS, TELNET, TFTP, WS and WSS.
+
 Learn how to use curl by reading [the
 manpage](https://curl.se/docs/manpage.html) or [everything
 curl](https://everything.curl.dev/).