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-rw-r--r--docs/libcurl/curl_easy_setopt.31
1 files changed, 1 insertions, 0 deletions
diff --git a/docs/libcurl/curl_easy_setopt.3 b/docs/libcurl/curl_easy_setopt.3
index a8151b24b..38fe0ff40 100644
--- a/docs/libcurl/curl_easy_setopt.3
+++ b/docs/libcurl/curl_easy_setopt.3
@@ -1388,6 +1388,7 @@ Resolve to ipv6 addresses.
.IP CURLOPT_CONNECT_ONLY
Pass a long. If the parameter equals 1, it tells the library to perform all
the required proxy authentication and connection setup, but no data transfer.
+This option is useful only on HTTP URLs.
This option is useful with the \fICURLINFO_LASTSOCKET\fP option to
\fIcurl_easy_getinfo(3)\fP. The library can set up the connection and then the