diff --git a/docs/libcurl/curl_multi_socket_action.md b/docs/libcurl/curl_multi_socket_action.md
index 44a06406c3..4823c5ef6d 100644
--- a/docs/libcurl/curl_multi_socket_action.md
+++ b/docs/libcurl/curl_multi_socket_action.md
@@ -12,7 +12,7 @@ See-also:
   - the hiperfifo.c example
 Protocol:
   - All
-Added-in: 7.15.4
+Added-in: 7.16.3
 ---
 
 # NAME