diff --git a/docs/libcurl/opts/CURLOPT_POSTFIELDS.3 b/docs/libcurl/opts/CURLOPT_POSTFIELDS.3
index 08946f286d..28632a3861 100644
--- a/docs/libcurl/opts/CURLOPT_POSTFIELDS.3
+++ b/docs/libcurl/opts/CURLOPT_POSTFIELDS.3
@@ -117,6 +117,7 @@ Always
 .SH RETURN VALUE
 Returns CURLE_OK
 .SH "SEE ALSO"
+.BR CURLOPT_COPYPOSTFIELDS (3),
 .BR CURLOPT_MIMEPOST (3),
 .BR CURLOPT_POSTFIELDSIZE (3),
 .BR CURLOPT_READFUNCTION (3),