diff --git a/src/MAKE/Makefile.cygwin b/src/MAKE/Makefile.cygwin
index f1c010a79b..0d74a26876 100644
--- a/src/MAKE/Makefile.cygwin
+++ b/src/MAKE/Makefile.cygwin
@@ -1,4 +1,4 @@
-# Makefile for Cygwin build under Windows
+# cygwin = Windows Cygwin, mpicxx, FFTW
 
 SHELL = /bin/sh
 #.IGNORE: