diff --git a/docs/libcurl/curl_easy_getinfo.3 b/docs/libcurl/curl_easy_getinfo.3
index fba414a7f1a99bcb90dbcee25dee94b2a49e183a..4176e49abb7f8c50b3600c5b0dcf2be22cc6c379 100644
--- a/docs/libcurl/curl_easy_getinfo.3
+++ b/docs/libcurl/curl_easy_getinfo.3
@@ -112,6 +112,7 @@ Pass a pointer to a long to receive a bitmask indicating the authentication
 method(s) available for your proxy authentication.  (Added in 7.10.8)
 .IP CURLINFO_OS_ERRNO
 Pass a pointer to a long to receive the errno variable from a connect failure.
+(Added in 7.12.2)
 .SH RETURN VALUE
 If the operation was successful, CURLE_OK is returned. Otherwise an
 appropriate error code will be returned.