diff --git a/src/lib/w32/posixio.c b/src/lib/w32/posixio.c
index c5b4bc29..e6fe7f30 100644
--- a/src/lib/w32/posixio.c
+++ b/src/lib/w32/posixio.c
@@ -51,7 +51,7 @@
 #include <stdio.h>
 #include <stdarg.h>
 /*
- * Need to include winsock2.h for ws2tcpip.h.
+ * Need to include winsock2.h before ws2tcpip.h.
  * Use sys/socket.h to ensure the #undef NS_ALL
  * is not missed after including winsock2.h.
  */