--- AnyEvent/constants.pl.PL	2017/02/13 12:25:32	1.15
+++ AnyEvent/constants.pl.PL	2017/02/13 14:51:42	1.16
@@ -180,9 +180,9 @@
 netbsd	TCP_MD5SIG	0x10
 netbsd	TCP_CONGESTION	0x20
 netbsd	MSG_NOSIGNAL	0x0400
-cygwin  TCP_MAXSEG      0x02
-cygwin  TCP_NOPUSH      0x04
-cygwin  TCP_NOOPT       0x08
+cygwin	TCP_MAXSEG	0x02
+cygwin	TCP_NOPUSH	0x04
+cygwin	TCP_NOOPT	0x08
 freebsd	TCP_MAXSEG	0x02
 freebsd	TCP_NOPUSH	0x04
 freebsd	TCP_NOOPT	0x08