diff --git a/configure.ac b/configure.ac
index b068d4c5..aa1fede9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -64,7 +64,7 @@ dnl **********************************************************************
 dnl Make sure that our checks for headers windows.h winsock.h winsock2.h 
 dnl and ws2tcpip.h take precedence over any other further checks which 
 dnl could be done later using AC_CHECK_HEADER or AC_CHECK_HEADERS for
-dnl this specific header files.
+dnl this specific header files. And do them before its results are used.
 dnl **********************************************************************
 
 CURL_CHECK_HEADER_WINDOWS