docs: note '--data-urlencode' option

Closes #10687

diff --git a/docs/MANUAL.md b/docs/MANUAL.md
index 44f6f5501d02311d726e75bde1c71e056a4bc083..aacf1768dc75aa33c14aca8c3d71d9efee159c9f 100644 (file)
--- a/docs/MANUAL.md
+++ b/docs/MANUAL.md
@@ -298,6 +298,10 @@ Post a simple `name` and `phone` guestbook.
 
     curl -d "name=Rafael%20Sagula&phone=3320780" http://www.where.com/guest.cgi
 
+Or automatically [URL encode the data](https://everything.curl.dev/http/post/url-encode).
+
+    curl --data-urlencode "name=Rafael Sagula&phone=3320780" http://www.where.com/guest.cgi
+
 How to post a form with curl, lesson #1:
 
 Dig out all the `<input>` tags in the form that you want to fill in.