diff --git a/inet_ntop.c b/inet_ntop.c
index 725ce276b9..0e38365ad6 100644
--- a/inet_ntop.c
+++ b/inet_ntop.c
@@ -35,8 +35,8 @@
 #endif
 
 #ifdef HAVE_WINSOCK2_H
-#include <winsock2.h>		/* needed to define AF_ values on Windows */
-#if _MSC_VER < 1600             /* Windows VC10 (and presumably newer) errno.h defines EAFNOSUPPORT */
+#include <winsock2.h>	/* needed to define AF_ values on Windows */
+#if _MSC_VER < 1600	/* errno.h defines EAFNOSUPPORT in Windows VC10 (and presumably eventually in VC11 ...) */
 #define EAFNOSUPPORT    WSAEAFNOSUPPORT
 #endif
 #endif
diff --git a/inet_pton.c b/inet_pton.c
index 4d870edab4..bfa2535f3e 100644
--- a/inet_pton.c
+++ b/inet_pton.c
@@ -34,8 +34,8 @@
 #endif
 
 #ifdef HAVE_WINSOCK2_H
-#include <winsock2.h>		/* needed to define AF_ values on Windows */
-#if _MSC_VER < 1600             /* Windows VC10 (and presumably newer) errno.h defines EAFNOSUPPORT */
+#include <winsock2.h>	/* needed to define AF_ values on Windows */
+#if _MSC_VER < 1600	/* errno.h defines EAFNOSUPPORT in Windows VC10 (and presumably eventually in VC11 ...) */
 #define EAFNOSUPPORT    WSAEAFNOSUPPORT
 #endif
 #endif