From b7c9229cc6d22fbbdd9f69d9f2ff4f9f280480a7 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Wed, 10 Jun 2026 23:41:51 +0200
Subject: [PATCH] CURLINFO_CONTENT_LENGTH_UPLOAD_T.md: expand

Fixes #21953
Reported-by: BazaarAcc32 on github
Closes #21956
---
 docs/libcurl/opts/CURLINFO_CONTENT_LENGTH_UPLOAD_T.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/docs/libcurl/opts/CURLINFO_CONTENT_LENGTH_UPLOAD_T.md b/docs/libcurl/opts/CURLINFO_CONTENT_LENGTH_UPLOAD_T.md
index 219481f43d..7b5d058521 100644
--- a/docs/libcurl/opts/CURLINFO_CONTENT_LENGTH_UPLOAD_T.md
+++ b/docs/libcurl/opts/CURLINFO_CONTENT_LENGTH_UPLOAD_T.md
@@ -31,6 +31,11 @@ CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_CONTENT_LENGTH_UPLOAD_T,
 Pass a pointer to a *curl_off_t* to receive the specified size of the
 upload. Stores -1 if the size is not known.
 
+This is the size set by the client prior to the transfer start. The expected
+upload amount. Compare this with CURLINFO_SIZE_UPLOAD_T(3), which is the
+amount of data that was actually uploaded in the end. In many cases those two
+numbers are identical.
+
 # %PROTOCOLS%
 
 # EXAMPLE