diff --git a/docs/curl_global_cleanup.3 b/docs/curl_global_cleanup.3
index 680991856..4e8311cda 100644
--- a/docs/curl_global_cleanup.3
+++ b/docs/curl_global_cleanup.3
@@ -18,6 +18,8 @@ uses of libcurl is complete.
 This is the opposite of \fIcurl_global_init\fP.
 
 Not calling this function may result in memory leaks.
+
+This function was added in libcurl 7.8.
 .SH "SEE ALSO"
 .BR curl_global_init "(3), "
 .SH BUGS