diff --git a/README.md b/README.md
index 1e8dc3d..9092251 100644
--- a/README.md
+++ b/README.md
@@ -237,6 +237,7 @@ Curl::is_array_assoc($array)
 Curl::is_array_multidim($array)
 MultiCurl::__construct($base_url = null)
 MultiCurl::__destruct()
+MultiCurl::addCurl(Curl $curl)
 MultiCurl::addDelete($url, $query_parameters = array(), $data = array())
 MultiCurl::addDownload($url, $mixed_filename)
 MultiCurl::addGet($url, $data = array())