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diff --git a/misc/buildroot/ChangeLog b/misc/buildroot/ChangeLog
index 927bc96a1..3ea2b60f3 100644
--- a/misc/buildroot/ChangeLog
+++ b/misc/buildroot/ChangeLog
@@ -81,3 +81,12 @@ buildroot-1.10 2011-xx-xx <spudmonkey@racsa.co.cr>
* Add patch submitted by Dimiter Georgiev to work around problems in building
GDB 6.8 with versions of Cygwin > 1.7.
+ * configs/i486-defconfig-4.3.3 - Builds an i486 cross development toolchain
+ using gcc 4.3.3. Why wouldyou want such a thing? On Linux, of course,
+ such a thing is not needed because you can use the installed GCC to build
+ i486 ELF binaries. But that will not work under Cygwin! The Cygwin
+ toolchain (and probably MinGW), build DOS MZ format executables (i.e.,
+ .exe files). That is probably not usable for most NuttX targets.
+ Instead, you should use this i486-elf-gcc to generate true ELF binaries
+ under Cygwin.
+